Lentil Soup with Kale & Sweet Potatoes: A Hearty & Wholesome Meal Prep Staple
Embrace ultimate comfort and nutrition with our Lentil Soup with Kale & Sweet Potatoes, a truly delicious and healthy dish perfect for any day. This recipe offers a straightforward preparation with minimal time investment, making it ideal for meal prepping on a relaxed Sunday. It effortlessly highlights natural sweetness and robust flavor profiles, offering a wholesome alternative to heavier, less nutritious options.

Lentil Soup with Kale & Sweet Potatoes
Embrace ultimate comfort and nutrition with our Lentil Soup with Kale & Sweet Potatoes, a truly delicious and healthy dish perfect for any day.
Ingredients
- 2 tbsp Olive Oil: For sautéing aromatics and building a flavorful base.
- 1 large Onion, diced: Adds a sweet, savory foundation to the soup.
- 2 Carrots, diced: Provides natural sweetness and essential nutrients.
- 2 Celery stalks, diced: Contributes aromatic depth and a subtle crunch.
- 3 cloves Garlic, minced: Offers pungent, savory notes that enhance the overall flavor.
- 1 tsp Dried Thyme: Infuses the soup with an earthy, herbaceous aroma.
- 1 cup Green or Brown Lentils, rinsed: The protein-rich base, providing heartiness and fiber.
- 6 cups Vegetable Broth: The liquid foundation, bringing all the flavors together.
- 1 large Sweet Potato, peeled and cubed: Adds natural sweetness, vibrant color, and creamy texture.
- 4 cups Kale, stems removed and chopped: Boosts nutritional value with leafy greens and a slightly bitter balance.
- Salt and Black Pepper to taste: Essential for seasoning and enhancing all ingredients.
- Optional: Fresh parsley or a squeeze of lemon for garnish: Adds brightness and a fresh finish.
Method
- 1. Heat olive oil in a large pot or Dutch oven over medium heat. Add diced onion, carrots, and celery, cooking until softened, about 5-7 minutes.
- 2. Stir in minced garlic and dried thyme, cooking for another minute until fragrant. Be careful not to burn the garlic.
- 3. Add the rinsed lentils and vegetable broth to the pot, bringing the mixture to a boil. Reduce heat, cover, and simmer for 15 minutes.
- 4. Stir in the cubed sweet potato. Continue to simmer, covered, for another 10-15 minutes, or until sweet potatoes are tender and lentils are cooked through.
- 5. Add the chopped kale to the pot, stirring until it wilts and becomes tender, which usually takes about 3-5 minutes.
- 6. Season generously with salt and black pepper to taste. Adjust seasonings as needed for optimal flavor.

Why You'll Love This Lentil Soup with Kale & Sweet Potatoes
- Packed with plant-based protein and fiber, keeping you full and satisfied.
- An excellent source of vitamins and antioxidants from kale and sweet potatoes.
- Perfect for meal prep, as flavors deepen and improve over time.
- Warm and comforting, ideal for chilly evenings or a nourishing lunch.
- Naturally gluten-free and easily adaptable for vegan diets.
Ingredients for Lentil Soup with Kale & Sweet Potatoes
Gather these wholesome ingredients to create a truly nourishing and flavorful soup.

- 2 tbsp Olive Oil: For sautéing aromatics and building a flavorful base.
- 1 large Onion, diced: Adds a sweet, savory foundation to the soup.
- 2 Carrots, diced: Provides natural sweetness and essential nutrients.
- 2 Celery stalks, diced: Contributes aromatic depth and a subtle crunch.
- 3 cloves Garlic, minced: Offers pungent, savory notes that enhance the overall flavor.
- 1 tsp Dried Thyme: Infuses the soup with an earthy, herbaceous aroma.
- 1 cup Green or Brown Lentils, rinsed: The protein-rich base, providing heartiness and fiber.
- 6 cups Vegetable Broth: The liquid foundation, bringing all the flavors together.
- 1 large Sweet Potato, peeled and cubed: Adds natural sweetness, vibrant color, and creamy texture.
- 4 cups Kale, stems removed and chopped: Boosts nutritional value with leafy greens and a slightly bitter balance.
- Salt and Black Pepper to taste: Essential for seasoning and enhancing all ingredients.
- Optional: Fresh parsley or a squeeze of lemon for garnish: Adds brightness and a fresh finish.
How to Make Lentil Soup with Kale & Sweet Potatoes
Follow these simple steps for a truly comforting and nutritious bowl of soup.

- 1. Heat olive oil in a large pot or Dutch oven over medium heat. Add diced onion, carrots, and celery, cooking until softened, about 5-7 minutes.
- 2. Stir in minced garlic and dried thyme, cooking for another minute until fragrant. Be careful not to burn the garlic.
- 3. Add the rinsed lentils and vegetable broth to the pot, bringing the mixture to a boil. Reduce heat, cover, and simmer for 15 minutes.

- 4. Stir in the cubed sweet potato. Continue to simmer, covered, for another 10-15 minutes, or until sweet potatoes are tender and lentils are cooked through.
- 5. Add the chopped kale to the pot, stirring until it wilts and becomes tender, which usually takes about 3-5 minutes.
- 6. Season generously with salt and black pepper to taste. Adjust seasonings as needed for optimal flavor.
Expert Tips for the Best Lentil Soup
- Rinse Lentils Thoroughly: This removes any debris and helps prevent cloudiness in your soup.
- Don't Overcook Lentils: They can become mushy if cooked too long; aim for tender but still firm.
- Adjust Broth Consistency: For a thicker soup, simmer longer; for a thinner soup, add more broth or water.
- Season in Layers: Add salt and pepper throughout the process, not just at the end, for deeper flavor.
- Storage: Store leftovers in an airtight container in the refrigerator for up to 4-5 days. It also freezes well for up to 3 months.
- Flavor Boost: A splash of apple cider vinegar or lemon juice at the end can brighten all the flavors.
Recipe Variations
- Spicy Kick: Add a pinch of red pepper flakes with the garlic for a bit of heat.
- Different Greens: Swap kale for spinach or Swiss chard; add thinner greens closer to the end of cooking.
- Add Grains: For extra heartiness, consider stirring in cooked quinoa or brown rice during the last few minutes. You might also enjoy our Mediterranean Quinoa Bowls with Roasted Chickpeas for another grain-packed meal.
- Smoky Flavor: A dash of smoked paprika can add a lovely depth of flavor.
How to Serve Lentil Soup with Kale & Sweet Potatoes
Serve this hearty lentil soup warm with a sprinkle of fresh parsley or a dollop of dairy-free yogurt. A crusty piece of whole-grain bread or a light side salad makes for a complete and satisfying meal. For another healthy and quick meal, try our Lemon Herb Chicken & Veggies, or perhaps a Sweet Potato and Black Bean Burger.

How Long to Cook Lentil Soup with Kale & Sweet Potatoes
This soup generally takes about 35-45 minutes of simmering time. You'll know it's ready when the lentils are tender and the sweet potatoes are easily pierced with a fork. The kale should be vibrant green and slightly wilted.
Is Lentil Soup with Kale & Sweet Potatoes Healthy?
Absolutely! This soup is a powerhouse of nutrition. Lentils provide excellent plant-based protein and fiber, promoting digestive health and satiety. Kale is rich in vitamins K, A, and C, while sweet potatoes offer beta-carotene and natural sweetness. It's a low-fat, nutrient-dense meal perfect for a balanced diet. For more nutritious options, you could also explore a Creamy Avocado Pasta or Zucchini Noodles with Pesto and Cherry Tomatoes.
Nutritional Information (per serving)
- Calories: 280
- Total Fat: 5g
- Saturated Fat: 0.5g
- Carbohydrates: 48g
- Fiber: 18g
- Protein: 15g
- Sodium: 450mg