Slow Cooker Red Beans and Rice

Name: Slow Cooker Red Beans and Rice
Prep time: 25 min
Cook time: 8 h
Total time: 8 h 25 min
Yield: 8 servings
Ingredients: 1 pound (450 g) dried red kidney beans, picked over, rinsed, and soaked overnight in plenty of cold water; 12 ounces (340 g) andouille sausage, sliced into 1/2-inch (1.3 cm) rounds; 1 cup (150 g) diced smoked ham; 6 cups (1.4 L) low-sodium chicken broth or water; 1 tablespoon olive oil or neutral cooking oil, for browning the sausage; 1 large onion (about 2 cups / 300 g), diced; 1 green bell pepper (about 1 cup / 150 g), diced; 2 celery stalks (about 3/4 cup / 90 g), diced; 4 cloves garlic, minced; 2 bay leaves; 1 teaspoon dried thyme; 1 teaspoon smoked paprika; 1 to 2 teaspoons Cajun or Creole seasoning, salt-free if possible; 1/2 teaspoon black pepper, freshly ground if possible; Fine sea salt, to taste, added near the end of cooking; Hot sauce, for serving; 3 to 4 green onions, thinly sliced, for serving; 2 cups (370 g) long-grain white rice, rinsed until the water runs mostly clear; 3 cups (710 ml) water; 1/2 teaspoon fine sea salt

Slow Cooker Red Beans and Rice is the kind of dinner that makes the whole house smell like somebody’s grandmother has been cooking all day — smoky, savory, and deeply comforting — while the slow cooker quietly does nearly all of the work. Dried red kidney beans simmer low and slow with browned andouille sausage, diced smoked ham, and the classic Louisiana trinity of onion, bell pepper, and celery until the beans turn completely tender and the broth thickens into something rich and spoon-coating. Ladled over fluffy white rice with green onions scattered on top and hot sauce within reach, it is a complete, generous meal that feeds a crowd without stretching the budget.

There is one safety step in this recipe that matters more than everything else combined, so it gets said right up front: dried red kidney beans must be boiled vigorously in fresh water for a full 10 minutes before they go into the slow cooker. Dried kidney beans contain a natural lectin called phytohaemagglutinin, and slow cookers simply may not get hot enough to destroy it reliably. The boil is quick, it is easy, and it is absolutely not optional — but once it is done, the rest of the recipe is as hands-off as cooking gets. Soak, boil, brown the sausage, load the cooker, and walk away for the afternoon.

The flavor here is built in layers, Louisiana style. The andouille gets a proper browning in a hot skillet first, so its smoky, spiced drippings season the whole pot. The trinity vegetables soften and sweeten over hours of gentle cooking, the bay leaves and thyme add a quiet herbal backbone, and smoked paprika plus Cajun seasoning bring warmth without overwhelming heat. Near the end, a cup of the tender beans gets mashed and stirred back in, which is the traditional trick that turns a brothy pot of beans into a creamy, gravy-rich bowl — no cream, no roux, no flour required.

This is also a wonderfully practical recipe for real life. It makes eight generous servings, the leftovers taste even better the next day, and the beans freeze beautifully for future busy nights. It is naturally dairy-free and gluten-free, and it stretches a modest amount of sausage and ham across a big, satisfying pot. Whether you serve it for a Monday supper — red beans and rice is famously a Monday tradition in New Orleans, born from using up the ham bone left over from Sunday dinner — or for a game-day crowd, this is comfort food with deep roots and very little fuss.

Why You’ll Love This Slow Cooker Red Beans and Rice

Mostly hands-off cooking: After the soak, the essential 10-minute boil, and a quick sausage browning, the slow cooker does the rest — no stirring, no watching the pot.
Deep, smoky Southern flavor: Browned andouille, smoked ham, the trinity, bay, thyme, and Cajun seasoning build the classic New Orleans taste in every spoonful.
Naturally creamy, no cream needed: Mashing a cup of the cooked beans thickens the pot into a rich, gravy-like sauce all on its own.
Feeds a crowd on a budget: A pound of dried beans and a little pork become eight hearty servings — and the leftovers are famously even better.
Meal-prep and freezer friendly: The beans keep for days in the fridge and freeze for months, so future dinners are already handled.
Comforting and wholesome: Fiber-rich beans, real vegetables, and a complete protein-packed bowl that keeps everyone full for hours.

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Ingredients

For the beans and sausage

1 pound (450 g) dried red kidney beans, picked over, rinsed, and soaked overnight in plenty of cold water
12 ounces (340 g) andouille sausage, sliced into 1/2-inch (1.3 cm) rounds
1 cup (150 g) diced smoked ham
6 cups (1.4 L) low-sodium chicken broth or water
1 tablespoon olive oil or neutral cooking oil, for browning the sausage

For the trinity and seasonings

1 large onion (about 2 cups / 300 g), diced
1 green bell pepper (about 1 cup / 150 g), diced
2 celery stalks (about 3/4 cup / 90 g), diced
4 cloves garlic, minced
2 bay leaves
1 teaspoon dried thyme
1 teaspoon smoked paprika
1 to 2 teaspoons Cajun or Creole seasoning, salt-free if possible
1/2 teaspoon black pepper, freshly ground if possible
Fine sea salt, to taste, added near the end of cooking
Hot sauce, for serving
3 to 4 green onions, thinly sliced, for serving

For the rice

2 cups (370 g) long-grain white rice, rinsed until the water runs mostly clear
3 cups (710 ml) water
1/2 teaspoon fine sea salt

Why these ingredients matter

Dried red kidney beans are the heart of the dish, and they are non-negotiable in two ways. First, dried beans give a depth of flavor and a creamy interior that canned beans never quite match, and they hold their shape through hours of slow cooking. Second — and this cannot be stressed enough — dried red kidney beans contain phytohaemagglutinin, a naturally occurring lectin that is destroyed only by high heat. Always soak them, drain them, and boil them vigorously in fresh water for a full 10 minutes before slow cooking. A slow cooker on its own may not reach the temperature needed to make them safe, so never skip, shorten, or work around the boil.

Andouille sausage brings the smoke. This coarse, garlicky, heavily seasoned Louisiana sausage is what gives red beans and rice its unmistakable character. Browning the rounds before they go into the cooker caramelizes their edges and leaves behind smoky drippings that season the entire pot. If you cannot find andouille, another smoked sausage such as kielbasa will work, though the dish will lose some of its signature Cajun warmth and spice.

Smoked ham adds a second layer of porky depth — salty, sweet, and faintly smoky in a different register from the sausage. Red beans and rice was born as a way to use the ham bone left from Sunday dinner, and even a cup of diced ham keeps that spirit alive. A ham hock or a leftover ham bone can go straight into the cooker instead; just pull the meat off the bone at the end and stir it back in.

The trinity — onion, green bell pepper, and celery — is the aromatic foundation of Louisiana cooking, the way mirepoix anchors French dishes. The onion brings sweetness, the bell pepper brings a gentle green bitterness, and the celery brings an earthy, almost herbal savoriness. Over the long cook they melt into the beans until they are part of the sauce itself, which is exactly where you want them.

Garlic, bay leaves, and thyme do quiet but essential work. Four cloves of garlic might sound like a lot until you remember they are seasoning a very large pot of beans over many hours — by serving time they are mellow and sweet. Bay leaves add a subtle tea-like depth that you would miss if it were gone, and dried thyme gives the dish its faintly minty, savory backbone.

Smoked paprika and Cajun or Creole seasoning are the warmth. The paprika echoes the smokiness of the meats and deepens the color of the broth, while the Cajun seasoning — usually a blend of paprika, garlic, onion, cayenne, and herbs — brings gentle heat and complexity. Salt-free seasoning is worth seeking out, because the sausage, ham, and broth all bring their own salt, and you want to control the final seasoning yourself at the end.

Low-sodium chicken broth or water is the cooking liquid, and low-sodium matters here. The beans will absorb this liquid for hours, concentrating its flavor, and the pork products are already salty. Starting with a mild liquid means the finished dish lands exactly where you season it — rich but never harsh. Water works perfectly well too, in the traditional style; the meats and trinity make their own broth as they cook.

Salt, added at the end, is a deliberate choice, not an afterthought. The combined saltiness of andouille, ham, broth, and Cajun seasoning is impossible to judge accurately at the start, and tasting once the beans are tender lets you season the finished dish precisely. Salting near the end also keeps the focus where it belongs — on beans that are completely, meltingly tender.

Long-grain white rice is the classic serving partner, and it is cooked separately on purpose. Rice cooked in the same pot would swell, split, and turn the whole dish starchy and porridge-like. Fluffy, separate grains cooked on the stove give you the perfect landing pad — each bite is half creamy beans, half clean, mild rice. Rinsing the rice first washes away surface starch so the grains stay distinct.

Green onions and hot sauce, for serving, are the finishing contrast. After hours of slow, melded flavors, a shower of fresh green onion adds brightness and crunch, and a few shakes of Louisiana-style hot sauce wake everything up with acidity and heat. Put the bottle on the table and let everyone season their own bowl.

Instructions

Soak the beans overnight. Pick over the dried red kidney beans, discarding any small stones or shriveled beans, then rinse them well. Place in a large bowl or pot, cover with cold water by at least 3 inches (7.5 cm), and soak for at least 8 hours or overnight. The beans will swell as they absorb water. This soak helps them cook evenly and shortens their time in the slow cooker.
Boil the soaked beans for 10 minutes — the essential safety step. Drain the soaked beans completely and discard the soaking water. Transfer the drained beans to a large pot, cover with plenty of fresh cold water, and bring to a full, rolling boil over high heat. Boil vigorously for a full 10 minutes, timed from when the water reaches a rolling boil, skimming any foam that rises. This step is not optional and must never be skipped or shortened: dried red kidney beans contain phytohaemagglutinin, a natural lectin, and slow cookers may not reach the temperature needed to destroy it. The vigorous boil in fresh water is what makes the beans safe before slow cooking. Drain the boiled beans and set them aside while you brown the sausage.
Brown the andouille sausage. Heat the olive oil in a large skillet over medium-high heat. Add the andouille rounds in a single layer, working in batches if needed so the pieces are not crowded, and cook for 2 to 3 minutes per side, until lightly browned and caramelized at the edges. Transfer the browned sausage to the slow cooker insert, leaving the smoky drippings in the skillet. If you like, soften the onion, bell pepper, and celery in those drippings over medium heat for 3 to 4 minutes, just until they begin to soften, then scrape them — drippings and all — into the cooker. This brief browning builds flavor that carries through the entire pot.
Load the slow cooker. Add the drained, boiled beans to the slow cooker over the sausage. Add the diced smoked ham, the onion, green bell pepper, celery, and garlic. Pour in the 6 cups (1.4 L) of low-sodium chicken broth or water, then add the bay leaves, thyme, smoked paprika, Cajun or Creole seasoning, and black pepper. Do not add salt yet; it goes in near the end. Stir gently so the beans are submerged and the seasonings are distributed.

Sliced andouille sausage rounds browning in a hot skillet until caramelized at the edges

Cook low and slow until completely tender. Put the lid on securely and cook on LOW for 7 to 8 hours or on HIGH for 4 to 5 hours, until the beans are completely tender — soft enough to mash easily between your fingers or against the side of the insert with a spoon, with no firm or chalky center. Try not to lift the lid during cooking, as each peek releases heat and adds time. Cookers vary, so begin checking near the early end of the range; tenderness, not the clock, is the test. Old beans can slow things down, and an extra hour harms nothing.
Mash a cup of beans for the traditional creamy texture. Once the beans are fully tender, fish out and discard the bay leaves. Using a ladle or measuring cup, scoop out about 1 cup of beans with a little of their liquid, or simply press a cup's worth of beans against the side of the insert with the back of a large spoon or a potato masher, and mash until mostly smooth. Stir the mashed beans back into the pot and let everything cook for another 15 to 20 minutes on LOW, until the liquid has thickened into a creamy, spoon-coating sauce that clings to the beans. For an even creamier pot, mash a second cup; for a brothier bowl, mash a little less.

Slow cooker loaded with soaked red kidney beans, browned andouille sausage, diced onion, bell pepper, celery, garlic, and broth before cooking

Season with salt at the end. Taste the beans carefully — a bean plus a spoonful of the liquid — and stir in fine sea salt gradually, about 1/2 teaspoon at a time, until the flavor tastes full and rounded. Add more Cajun seasoning or a few drops of hot sauce now if you want more heat, keeping in mind that more hot sauce waits at the table. Switch the cooker to WARM while you cook the rice, so the beans stay hot and hold their creamy texture without breaking down further.
Cook the rice separately on the stove. While the beans finish, combine the rinsed long-grain white rice, 3 cups (710 ml) of water, and 1/2 teaspoon of salt in a medium saucepan with a tight-fitting lid. Bring to a boil over medium-high heat, then reduce the heat to the lowest setting, cover, and simmer for 18 minutes without lifting the lid. Remove the pan from the heat and let the rice rest, still covered, for a full 10 minutes — this rest finishes the steaming and keeps the grains separate. Fluff gently with a fork just before serving. Cooking the rice separately is what keeps it fluffy instead of soft and swollen.

Cooked red beans being mashed against the side of a slow cooker and stirred back in for a creamy texture

Serve the beans ladled over the rice. Spoon a generous mound of hot rice into each warm, shallow bowl. Ladle the creamy red beans and sausage over the top, making sure each bowl gets plenty of sauce, some sausage rounds, and a share of the ham. Scatter green onions over each serving, pass the hot sauce at the table, and serve right away while everything is steaming hot.

Tips for Success

Never skip the 10-minute boil. This is the one rule in the recipe with no flexibility. Dried red kidney beans must be soaked, drained, and boiled vigorously in fresh water for a full 10 minutes before slow cooking, because a slow cooker may not destroy the natural lectin phytohaemagglutinin on its own. Set a timer, let it roll, and then proceed with total confidence.
Let the beans soak a full night. An 8-to-12-hour soak plumps the beans so they cook evenly and reach tenderness within the stated range. Older beans — ones that have sat in the pantry for a year or more — may need the long end of the cooking range, so buy dried beans from a store with good turnover when you can, and always judge doneness by tenderness, never by the clock alone.
Brown the sausage in a single layer. Crowded sausage steams instead of browning. Work in batches, let the rounds sit undisturbed until a deep golden crust forms, and keep every drop of the smoky drippings — soften the trinity in them for even more flavor, and get all of it into the cooker.
Keep the lid on. Every peek at a slow cooker lets out a surprising amount of accumulated heat and can add 15 to 20 minutes to the cooking time. Trust the process, and only start checking for tenderness near the end of the range.
Mash for creaminess, then give it time. The mashed-bean trick only works if the beans are completely tender first — mash too early and you get graininess instead of silk. After stirring the mash back in, that final 15 to 20 minutes is when the sauce visibly thickens and starts to cling to the beans. Mash a second cup if you want it extra rich.
Salt last, taste twice. The pork, broth, and seasoning blend all contribute salt, and their total is only clear in the finished pot. Add fine sea salt a little at a time, tasting a bean with its liquid after each addition, and stop when the flavors taste round and full rather than flat.
Rest the rice. The 10-minute off-heat rest is part of the cooking, not a suggestion — it lets the steam finish the grains so they are fluffy and separate instead of wet on top and firm underneath. Fluff once, gently, right before serving, and keep the lid on the beans meanwhile.

Variations

Canned bean shortcut: Use 4 cans (15 ounces / 425 g each) of red kidney beans, drained and rinsed, in place of the dried beans. Skip the soaking and the 10-minute boil entirely — canned beans are already fully processed and safe — reduce the broth to 3 cups (710 ml), and cook on LOW for 3 to 4 hours or HIGH for 1 1/2 to 2 hours, until the vegetables are tender and the flavors meld. Mash and season at the end exactly as written.
Ham hock version: Replace the diced ham with one meaty smoked ham hock. Nestle it into the beans at loading time, cook as directed, then lift it out at the end, shred the meat from the bone, discard the bone and skin, and stir the meat back into the pot.
Extra-smoky version: Add a small smoked turkey leg or wing in place of some of the ham, or stir in an extra 1/2 teaspoon of smoked paprika and a pinch of chipotle powder with the other seasonings.
Spicier version: Choose a hot Cajun seasoning, add 1/4 to 1/2 teaspoon of cayenne with the spices, or stir a minced jalapeño in with the trinity. Keep the hot sauce flowing at the table for those who want more.
Brown rice serving option: Serve the beans over brown rice for a nuttier, chewier base. Cook 2 cups (370 g) of brown rice in 3 1/2 cups (830 ml) of water with 1/2 teaspoon of salt, simmering covered for 40 to 45 minutes and resting for 10 minutes — start it earlier than white rice.
Vegetarian-leaning version: Omit the sausage and ham, switch to water or vegetable broth, soften the trinity in 2 tablespoons of olive oil, and add an extra teaspoon of smoked paprika plus a splash of soy sauce for depth. It will not be the traditional New Orleans dish, but the creamy beans, trinity, and seasonings still make a deeply satisfying bowl.

Storage

Refrigerate the beans and rice separately in airtight containers. The beans keep well for up to 4 days and, like most bean dishes, taste even better on the second and third day as the flavors continue to meld. The rice keeps for up to 4 days as well; sprinkle a teaspoon of water over it before reheating so it steams back to fluffy instead of drying out. Reheat the beans gently on the stovetop over medium-low heat or in the microwave, adding a splash of water or broth if they have thickened in the fridge — they will loosen right back into a creamy sauce as they warm.

The beans freeze beautifully for up to 3 months and are one of the best make-ahead freezer meals there is. Let them cool completely, portion into freezer containers or heavy-duty bags with a little headspace for expansion, and freeze flat if using bags so they thaw quickly. Thaw overnight in the refrigerator, then reheat gently with a splash of liquid. Cook the rice fresh on serving day if you can — freshly cooked rice has the best texture — though plain cooked rice can also be frozen for up to 1 month and reheated from frozen with a sprinkle of water.

For food safety, cool leftovers promptly, refrigerate within 2 hours of cooking, and reheat the beans until steaming hot throughout, at least 165°F (74°C). If you are reheating beans that were made with canned beans for the shortcut version, the same storage times apply. When in doubt about any leftover that has been sitting too long, throw it out — a fresh pot of beans is inexpensive enough that it is never worth the risk.

Frequently Asked Questions

Why do dried red kidney beans have to be boiled before slow cooking?
Because dried red kidney beans contain phytohaemagglutinin, a naturally occurring lectin that must be destroyed by high heat, and a slow cooker may not reach a high enough temperature to do that job reliably. Boiling the drained, soaked beans vigorously in fresh water for a full 10 minutes before they go into the cooker is the essential safety step that makes them safe to eat. Never put soaked-but-unboiled dried kidney beans straight into a slow cooker, and do not shorten the boil. Canned kidney beans are already processed and do not need this step.

Can I use canned beans instead of dried, and how does the timing change?
Yes — canned beans make a good shortcut. Use 4 cans (15 ounces / 425 g each) of red kidney beans, drained and rinsed, skip the soaking and the 10-minute boil entirely since canned beans are already processed, reduce the broth to 3 cups (710 ml), and cook on LOW for 3 to 4 hours or HIGH for 1 1/2 to 2 hours, until the vegetables are tender and the flavors have melded. Mash a cup of beans for creaminess and season at the end, exactly as in the main recipe. The flavor will be a little less deep than the dried-bean version, but the dish still works beautifully.

When should I add the salt, and can I make this dish vegetarian?
Add the salt near the end, once the beans are completely tender. The andouille, smoked ham, broth, and Cajun seasoning all contribute salt, and their combined effect is only clear once the dish has finished cooking, so tasting and salting at the end keeps the seasoning accurate. For a vegetarian version, omit the sausage and ham, use water or vegetable broth, and add olive oil and extra smoked paprika for richness — just know that it departs from the traditional New Orleans dish, which is built on pork, even though the trinity, seasonings, and creamy method stay the same.

How do I get the beans creamy, and what rice works best for serving?
Creaminess comes from the beans themselves: once they are fully tender, mash about 1 cup of beans against the side of the cooker or in a cup, stir them back in, and give the pot 15 to 20 minutes for the sauce to thicken. Mash a second cup for an even creamier pot. For serving, long-grain white rice cooked separately on the stove works best — fluffy, separate grains that soak up the sauce without turning sticky. Brown rice also works well; just start it earlier, since it needs 40 to 45 minutes of simmering plus its rest.

Slow Cooker Red Beans and Rice

Prep Time: 25 minutes (PT25M), plus overnight soaking of the beans
Cook Time: 8 hours (PT8H)
Total Time: 8 hours 25 minutes (PT8H25M), plus overnight soaking of the beans
Servings: 8 servings
Calories: Approximately 520 kcal per serving

Creamy red kidney beans simmered low and slow with browned andouille sausage, smoked ham, the trinity of onion, bell pepper, and celery, garlic, bay leaves, thyme, smoked paprika, and Cajun seasoning, ladled over fluffy long-grain white rice cooked separately and finished with green onions and hot sauce. Cook time reflects cooking on LOW for 7 to 8 hours; see the instructions for the HIGH timing alternative. Prep time does not include the overnight soak, and the soaked beans must be boiled vigorously in fresh water for 10 minutes before slow cooking — see the instructions and tips.