Detox Crockpot Lentil Soup is a nourishing, plant-based meal packed with fiber, protein, and wholesome vegetables. It’s the ultimate comfort food when you want something warm, satisfying, and incredibly healthy. This slow cooker soup is effortless to prepare and perfect for a reset meal that fuels your body and supports digestion.
Why You’ll Love This Recipe
- Clean and healthy – Packed with nutrients, fiber, and anti-inflammatory ingredients.
- Easy to make – Just chop, dump, and let the crockpot do the work.
- Great for digestion – Lentils and veggies support gut health and detox naturally.
- Filling and satisfying – High in protein and fiber to keep you full.
- Perfect for meal prep – Stores and reheats beautifully.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- Green or brown lentils (rinsed and drained)
- Carrots, diced
- Celery, diced
- Onion, chopped
- Garlic, minced
- Zucchini, chopped
- Spinach or kale
- Crushed tomatoes (canned)
- Vegetable broth or water
- Olive oil
- Lemon juice
- Ground turmeric
- Ground cumin
- Dried thyme
- Bay leaf
- Salt and pepper
- Red pepper flakes (optional)
Directions
- Add Everything to the Crockpot:
- Combine lentils, carrots, celery, onion, garlic, zucchini, tomatoes, broth, olive oil, turmeric, cumin, thyme, bay leaf, salt, pepper, and red pepper flakes.
- Cook the Soup:
- Cover and cook on low for 6–7 hours or high for 3–4 hours, until lentils are tender.
- Add Greens & Lemon:
- In the last 15–20 minutes, stir in spinach or kale and lemon juice.
- Remove bay leaf and adjust seasonings to taste.
- Serve and Enjoy:
- Serve warm with fresh herbs or a sprinkle of nutritional yeast or Parmesan (optional).
Servings and Timing
- Servings: 6
- Prep Time: 10 minutes
- Cook Time: 6–7 hours on low / 3–4 hours on high
- Total Time: Up to 7 hours 10 minutes
Variations
- Add grains: Stir in quinoa, brown rice, or barley for more texture.
- Make it spicy: Add extra red pepper flakes or cayenne.
- Protein boost: Add chickpeas or white beans for extra protein.
- Root veggie version: Include sweet potatoes or parsnips for heartiness.
- Herb-forward: Stir in fresh parsley or basil just before serving.
Storage/Reheating
- Storage: Store in an airtight container in the fridge for up to 5 days.
- Freezing: Freeze in portions for up to 3 months. Thaw overnight in the fridge.
- Reheating: Reheat gently on the stovetop or microwave until warmed through. Add broth if needed to loosen.
FAQs
Do I need to soak lentils first?
No soaking needed! Just rinse and add directly to the crockpot.
Can I use red lentils?
Yes, but red lentils cook faster and will result in a creamier, softer soup.
What broth is best?
Vegetable broth is ideal, but water with extra seasoning also works.
Can I blend this soup?
Absolutely! Blend partially or fully with an immersion blender for a creamier texture.
Is this soup good for weight loss?
Yes, it’s low in calories, high in fiber, and nutrient-dense.
Can I add coconut milk?
Sure! Add it at the end for a creamy twist.
Is it okay to leave out certain vegetables?
Totally. Use what you have—this soup is very flexible.
What if I don’t have crushed tomatoes?
Use diced tomatoes or tomato sauce as a substitute.
How do I make it more flavorful?
Add a dash of soy sauce or a spoonful of tomato paste for extra depth.
Can I cook this overnight?
Yes, on low for 7–8 hours—just be sure your crockpot has an automatic shutoff or warm setting.
Conclusion
Detox Crockpot Lentil Soup is the ultimate clean-eating meal—simple, nourishing, and full of vibrant, earthy flavors. Whether you’re looking to reset your diet, prep healthy meals for the week, or just enjoy a hearty plant-based dish, this easy slow cooker soup will leave you feeling good from the inside out. Try it today and taste wellness in a bowl!
PrintDetox Crockpot Lentil Soup
This Detox Lentil Soup is packed with fiber-rich lentils, hearty veggies, and anti-inflammatory spices. It’s a healthy, feel-good meal that’s easy to make in the slow cooker—perfect for busy weeks or light, wholesome dinners.
- Prep Time: 10 minutes
- Cook Time: 7–8 hours (low) or 4–5 hours (high)
- Total Time: 8 hours
- Yield: 6–8 servings 1x
- Category: Soup
- Method: Slow Cooker
- Cuisine: Healthy, Mediterranean-Inspired
Ingredients
- 1 ½ cups dried green or brown lentils, rinsed
- 1 small onion, diced
- 3 carrots, peeled and chopped
- 2 celery stalks, chopped
- 3 cloves garlic, minced
- 1 medium sweet potato or Yukon gold potato, diced
- 1 (14.5 oz) can diced tomatoes
- 1 teaspoon turmeric
- 1 teaspoon ground cumin
- 1 teaspoon paprika
- ½ teaspoon dried thyme
- ½ teaspoon black pepper
- ¾ teaspoon salt (or to taste)
- 6 cups vegetable broth (or water + bouillon)
- 2 cups chopped kale or spinach (added at the end)
- 1 tablespoon lemon juice (for brightness)
- Fresh parsley, for garnish (optional)
Instructions
-
Load the Crockpot:
- Add lentils, onion, carrots, celery, garlic, sweet potato, diced tomatoes, and all spices to the slow cooker.
- Pour in the vegetable broth and give everything a good stir.
-
Cook:
- Cover and cook on LOW for 7–8 hours or HIGH for 4–5 hours, until lentils and veggies are tender.
-
Add Greens & Lemon:
- In the last 15–20 minutes, stir in chopped kale or spinach and lemon juice. Cook until greens are wilted and tender.
-
Serve:
- Taste and adjust seasoning. Garnish with fresh parsley and serve warm.
Notes
- Want it thicker? Use an immersion blender to partially blend the soup.
- Add fresh ginger or cayenne for an extra detox kick.
- Great for meal prep! Soup thickens as it sits—add broth or water to loosen when reheating.