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Slow Cooker One-Pot

Slow Cooker Creamy White Bean and Kale Cassoulet

By PanPotPlates Test KitchenReviewed by PanPotPlates Editorial TeamPublished Apr 21, 2026 · Updated May 12, 2026
French-Inspired 375 mins slowcookeronepotveganglutenfreedairyfreefamily-friendlyhealthycomfortfoodbudget-friendlyeasymealprep

Savor a comforting, creamy French-inspired white bean and kale cassoulet made effortlessly in the slow cooker. This vegan, gluten-free, and dairy-free cassoulet is hearty, healthy, and budget-friendly—perfect for family dinners and easy meal prep.

Slow Cooker Creamy White Bean and Kale Cassoulet
Prep 15 min
Cook 360 min
Total 375 min
Servings 6
Difficulty easy
Cuisine French-Inspired

Recipe Details

Prep15 min
Cook360 min
Total375 min
Servings6
Difficultyeasy
CuisineFrench-Inspired
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Ingredients

Servings 6
  • 2 tablespoons olive oil
  • 1 medium onion, diced
  • 3 cloves garlic, minced
  • 2 medium carrots, diced
  • 2 celery stalks, diced
  • 1 teaspoon dried thyme
  • 1 teaspoon dried rosemary
  • 1 bay leaf
  • 1/2 teaspoon smoked paprika
  • 1/4 teaspoon black pepper
  • 1/2 teaspoon salt, or to taste
  • 2 (15-ounce) cans white beans (cannellini or Great Northern), drained and rinsed
  • 1 1/2 cups vegetable broth
  • 1 cup canned crushed tomatoes
  • 1/2 cup raw cashews (soaked in hot water for 15 minutes)
  • 4 cups chopped kale, tough stems removed
  • 1 tablespoon lemon juice
  • Fresh parsley, chopped (optional, for garnish)

Instructions

  1. Heat olive oil in a skillet over medium heat. Add the diced onion; sauté for 3-4 minutes until translucent.
  2. Add minced garlic, diced carrots, and celery to the skillet. Cook for another 3-4 minutes, stirring occasionally, until vegetables begin to soften.
  3. Transfer the sautéed vegetables to the slow cooker.
  4. Add dried thyme, rosemary, bay leaf, smoked paprika, black pepper, salt, drained white beans, vegetable broth, and crushed tomatoes. Stir to combine.
  5. Cover and cook on low for 6-7 hours or on high for 3-4 hours, until vegetables are tender.
  6. Meanwhile, drain soaked cashews and blend them with 1/4 cup water in a high-speed blender until smooth and creamy.
  7. About 30 minutes before the end of the cooking time, stir in the cashew cream and chopped kale. Cover and continue cooking until the kale wilts and is tender.
  8. Remove the bay leaf. Stir in fresh lemon juice to brighten the flavors.
  9. Taste and adjust seasoning as needed.
  10. Serve warm, garnished with chopped fresh parsley if desired.

Frequently Asked Questions

Reader questions and answers for this recipe will appear here.

Customize this slow cooker one-pot cassoulet to suit dietary needs or ingredient availability with these substitutions:

  • White Beans: Substitute cannellini or Great Northern beans with chickpeas or navy beans for similar texture and nutrition.
  • Kale: Replace kale with spinach, Swiss chard, or collard greens to vary leafy green options while maintaining nutrition.
  • Cashews: For nut-free alternatives, use blended silken tofu or canned coconut milk to create a creamy texture.
  • Vegetable Broth: Swap for mushroom broth or homemade vegetable stock to add richer umami flavor without losing vegan and gluten-free status.
  • Olive Oil: Use avocado or sunflower oil for different flavor notes or higher smoke points.

These ingredient swaps maintain the recipe’s wholesome, budget-conscious, vegan, gluten-free, and dairy-free profile—ideal for easy family meals and meal prep.

Pan Or Pot Required

This recipe is designed as a Slow Cooker One-Pot meal, maximizing convenience and minimal cleanup. You'll need the following cookware:

  • Slow Cooker (Crock-Pot): The main vessel that slowly cooks all ingredients over several hours, enhancing flavor development while you multitask.
  • Skillet or Sauté Pan: Used briefly for sautéing onion, garlic, carrots, and celery before transferring to the slow cooker, which deepens the dish’s flavors.
  • High-Speed Blender: For blending soaked cashews and water into a creamy, rich sauce that adds velvety texture to this cassoulet.

This simple tool combination supports PanPotPlates’ focus on one-pot and easy slow cooker meals, keeping cleanup minimal and prep straightforward. For best results, use a 5- to 6-quart slow cooker to hold all ingredients without crowding.

This setup perfectly fits family-friendly, budget-friendly, and healthy slow cooker recipes tagged slowcooker, onepot, vegan, glutenfree, and dairyfree.

Cookware Size Guidance

For optimal cooking and texture in this Slow Cooker Creamy White Bean and Kale Cassoulet, choose a slow cooker with a capacity of 5 to 6 quarts. This size allows all ingredients to cook evenly, leaving room for stirring and expansion.

A 5- to 6-quart slow cooker aligns well with the recipe’s family-friendly and meal prep goals, yielding about 6 hearty servings. Using a smaller slow cooker risks overflow and inconsistent cooking, while larger cookers may spread ingredients too thin, affecting flavor concentration and cooking time.

If you don't have a slow cooker of this size, a tightly covered casserole dish in a low oven (275°F to 300°F) can be used with adjusted cooking times, but the slow cooker remains the easiest and preferred option.

Cookware Swap Guidance

This creamy white bean and kale cassoulet’s slow cooker method can be adapted using alternative cookware without sacrificing its vegan and gluten-free benefits.

  • Stovetop Alternative: Use a heavy-bottomed Dutch oven or large lidded saucepan on low heat. Sauté vegetables as instructed, then simmer all ingredients gently for 1.5 to 2 hours, stirring occasionally until tender.
  • Pressure Cooker / Instant Pot: Sauté vegetables using the sauté function, then pressure cook on high for 20-25 minutes. Stir in cashew cream and kale at the end, using sauté mode to wilt the kale before serving.
  • Other One-Pot Cookware: Covered cast iron skillets or enamel-coated casserole pots are also suitable for slow stovetop cooking, providing steady heat and easy stirring.

Avoid using shallow pans like sheet pans or small skillets alone, since they lack sufficient depth and even heat distribution required for this slow simmered cassoulet.

Leftovers Quality

This Slow Cooker Creamy White Bean and Kale Cassoulet reheats and stores beautifully, making it perfect for meal prep and convenient family leftovers. Store in airtight containers and refrigerate within 2 hours of cooking. It keeps well in the fridge for up to 4 days.

For long-term storage, freeze portions in airtight containers or freezer bags for up to 3 months. Thaw overnight in the refrigerator before reheating.

Reheat gently over medium-low heat on the stovetop, stirring occasionally to preserve texture and prevent scorching. Microwave reheating is also effective if done in short intervals with stirring between, maintaining the creamy consistency.

Avoid reheating on high heat to protect the delicate kale leaves and cashew cream sauce. Following these tips ensures your cassoulet stays flavorful and satisfying throughout the week.

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