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Slow Cooker Lentil & Veggie Soup Recipe

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4.1 from 7 reviews

A hearty and nutritious Slow Cooker Lentil & Veggie Soup featuring brown lentils, fire-roasted tomatoes, and a medley of fresh vegetables. Perfect for an easy, comforting meal that cooks effortlessly in the slow cooker.

  • Total Time: 6 hours 15 minutes
  • Yield: 6 servings

Ingredients

Main Ingredients

  • 1.5 cups brown lentils, dry
  • 1 (15-ounce) can diced fire-roasted tomatoes
  • 1 cup carrots, peeled and diced
  • 1/2 cup celery, diced
  • 1 yellow onion, diced
  • 4 cloves garlic, minced
  • 1/2 teaspoon smoked paprika
  • 1/2 teaspoon cumin
  • 1/2 teaspoon pepper
  • 6 cups vegan beef broth
  • 2 handfuls spinach
  • 1-2 tablespoons lemon juice, optional

Instructions

  1. Prepare Ingredients: Rinse the brown lentils under cold water and drain. Peel and dice the carrots, dice the celery and yellow onion, and mince the garlic cloves.
  2. Combine in Slow Cooker: Add the dried lentils, diced fire-roasted tomatoes, carrots, celery, onion, garlic, smoked paprika, cumin, pepper, and vegan beef broth into the slow cooker. Stir well to combine all the ingredients evenly.
  3. Slow Cook: Cover the slow cooker and cook on high for 5 to 6 hours or on low for 7 to 8 hours, until the lentils and vegetables are tender and flavors have melded.
  4. Add Spinach: Once cooking is complete, stir in the handfuls of spinach until wilted, which should take just a few minutes inside the hot soup.
  5. Season and Serve: Taste the soup and adjust seasonings as desired. Optionally add salt and 1-2 tablespoons of lemon juice to brighten the flavors. Spoon into bowls and serve warm.

Notes

  • If you prefer a smoother texture, blend part of the soup before adding the spinach.
  • Brown lentils do not require soaking before cooking but can be rinsed to remove dust.
  • Use low-sodium vegan beef broth to better control salt levels.
  • Lemon juice is optional but adds a nice acidity to balance the earthiness of the lentils.
  • This soup stores well refrigerated for up to 4 days and freezes beautifully for up to 3 months.
  • Author: Ella
  • Prep Time: 15 minutes
  • Cook Time: 6 hours
  • Category: Soup
  • Method: Slow Cooking
  • Cuisine: Vegan, American
  • Diet: Vegan