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Crockpot Vegan Mediterranean Vegetable Stew

Crockpot Vegan Mediterranean Vegetable Stew

Mediterranean cooking has a specific quality that's hard to define but immediately recognizable a warmth, a depth, a combination of herbs and vegetables that tastes like food made with genuine intention. Crockpot Vegan Mediterranean Vegetable Stew captures that quality in a completely hands-off slow cooker format that asks 20 minutes of your time and then runs independently for three hours while you get on with your summer. Sweet potatoes, cannellini beans, fresh green beans, rosemary, smoked paprika, and a rich tomato-soy broth come together into something genuinely beautiful. I make this whenever I want a dinner that feels substantial and nourishing rather than just satisfying. There's something about the combination of sweet potato sweetness, rosemary's herbal warmth, and that smoked paprika depth that makes every bowl feel intentional and complete. It's the kind of stew that makes you feel like a competent cook even when the slow cooker did all the actual work.
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Prep Time 20 minutes
Cook Time 3 hours
Total Time 3 hours 20 minutes
Servings: 6
Course: crockpot, DINNER, healthy dinner, Main Course
Cuisine: American
Calories: 327
Ingredients Equipment Method Notes

Ingredients
  

  • A purposeful ingredient list that creates maximum flavor with minimum complication:
  • The Aromatics:
  • 1 medium onion diced
  • 3 garlic cloves minced
  • 1 medium red bell pepper diced
  • The Vegetables:
  • 2½ pounds sweet potatoes scrubbed and diced into ¾-inch pieces
  • 2 cups fresh green beans cut into 1–2 inch pieces
  • 1 can 14 oz cannellini beans, drained and rinsed
  • The Broth and Flavor Base:
  • 3 cups vegetable broth
  • 1 can 6 oz tomato paste
  • 2 tablespoons soy sauce
  • The Seasoning Blend:
  • 2 teaspoons chopped fresh rosemary
  • 1 teaspoon smoked paprika
  • Pinch of cayenne pepper or to taste
  • Salt and black pepper added after cooking

Equipment

  • This recipe runs almost entirely in the slow cooker after a brief prep stage:
  • Primary Equipment
  • Large slow cooker (4-quart minimum, 6-quart preferred) - the recipe specifically states a 4-quart or larger slow cooker. Two and a half pounds of sweet potatoes is a substantial quantity a 6-quart gives you comfortable room for all the vegetables, broth, and beans without crowding. Crowded vegetables steam against each other rather than cooking evenly in the surrounding broth, which affects both texture and flavor development.
  • HIGH setting (3–4 hours) produces a brighter, slightly more distinct vegetable texture where the sweet potatoes are tender but still hold their shape clearly. LOW setting (5–6 hours) produces a more unified, meltingly tender stew where the flavors have more time to meld. Both are excellent choose based on your timeline.
  • Supporting Equipment
  • Sharp chef's knife and cutting board - the 20-minute prep time covers dicing the onion, mincing the garlic, dicing the bell pepper, cutting 2½ pounds of sweet potatoes into ¾-inch pieces, and cutting 2 cups of green beans. A sharp knife makes the sweet potato dicing significantly faster and safer.
  • Vegetable scrubber - for scrubbing the sweet potatoes before dicing. This recipe keeps the sweet potato skin on it adds nutritional value and becomes completely tender during the slow cook. No peeling required.
  • Can opener - for the cannellini beans and tomato paste
  • Colander - for draining and rinsing the cannellini beans
  • Measuring spoons and cups
  • Wooden spoon or silicone spatula - for the initial stir before cooking and the final seasoning stir
  • Ladle for serving
  • The entire prep phase runs in 20 minutes if you work efficiently sweet potatoes take the most time since you're dicing 2½ pounds, so tackle those first while your other vegetables sit ready to go. IMO, getting all the prep done before loading the slow cooker is the key to a smooth, stress-free cooking experience with this recipe.

Method
 

  1. Step 1 - Prep All the Vegetables
  2. The 20-minute prep covers everything that goes into the slow cooker:
  3. Dice the onion- into roughly ½-inch pieces
  4. Mince the garlic - 3 cloves, as fine as possible
  5. Dice the red bell pepper - remove seeds and white membrane, then dice
  6. Scrub and dice the sweet potatoes - leave the skin on, cut into consistent ¾-inch cubes. This is the time-consuming element work methodically and keep cuts uniform for even cooking.
  7. Cut the green beans - trim both ends and cut into 1–2 inch pieces
  8. Drain and rinse the cannellini beans in a colander
  9. Chop the fresh rosemary - strip the leaves from the woody stems and chop finely
  10. Step 2 - Load the Slow Cooker (Everything Except Salt, Pepper, and Hot Sauce)
  11. Add the diced onion, minced garlic, diced bell pepper, sweet potato cubes, green bean pieces, drained cannellini beans, vegetable broth, tomato paste, soy sauce, chopped fresh rosemary, smoked paprika, and cayenne pepper directly to the slow cooker.
  12. Critical instruction: Do not add salt, pepper, or hot sauce at this stage. Adding salt early to a long-cooked legume stew can affect how the beans cook and may result in overseasoned stew as the liquid reduces and concentrates during the long cook. Season at the end with complete control over the final flavor.
  13. Stir everything together thoroughly until the tomato paste and soy sauce distribute evenly through the broth. The mixture will look quite liquid at this point that's correct. The sweet potatoes and cannellini beans will absorb significant liquid during cooking and the broth will concentrate and thicken naturally.
  14. Step 3 - Cook Low and Slow
  15. Cover the slow cooker and set it to HIGH for 3–4 hours or LOW for 5–6 hours. The stew is finished when:
  16. The sauce has thickened considerably
  17. The sweet potatoes are completely soft when pierced with a fork
  18. The green beans have lost their crispness and become tender throughout
  19. The broth has turned dark, rich, and deeply colored from the tomato paste and soy sauce
  20. Don't open the lid during cooking unless absolutely necessary each peak releases steam and adds 15–20 minutes to the effective cook time.
  21. Step 4 - Season and Serve
  22. Turn off the slow cooker. Give the stew a thorough stir from the bottom of the insert upward the tomato paste and soy sauce may have concentrated at the bottom and need redistribution.
  23. Add salt, black pepper, and hot sauce to taste. Start with ½ teaspoon of salt, stir, taste, and build from there. The soy sauce contributes saltiness throughout cooking, so the stew may need less additional salt than you expect.
  24. Ladle into bowls and serve immediately.

Notes

Nutrition Information Per Serving

At 327 calories per 1.5-cup serving, this stew delivers exceptional value:
Nutrient
 Per Serving
Calories
 327 kcal
Carbohydrates
 68.5g
Protein
 12.8g
Fat
 1.3g
Saturated Fat
 0.3g
Fiber
 13.7g
Sugar
 8.4g
Sodium
 954mg
Potassium
 1,795mg
Calcium
 110mg
Iron
 4mg