Hearty Lentil Vegetable Soup
Thick, nourishing, and deeply flavored — a budget-friendly soup that uses whatever vegetables need finishing.
Ingredients
Serves 6
- 1.5 cups green or brown lentils, rinsed
- 2 medium carrots, diced
- 2 stalks celery, diced
- 1 medium onion, diced
- 3 cloves garlic, minced
- 1 can (14 oz) diced tomatoes
- 5 cups vegetable broth
- 2 tbsp olive oil
- 1 tsp cumin
- 1 tsp smoked paprika
- 1/2 tsp dried thyme
- Juice of 1/2 lemon
- Salt and black pepper to taste
- Fresh parsley and crusty bread to serve
Instructions
- 1Heat olive oil in a large pot over medium heat. Add onion, carrots, and celery. Cook for 8–10 minutes, stirring occasionally, until softened and the onion is turning golden. This soffritto base is the flavor foundation — give it time.
- 2Add garlic, cumin, smoked paprika, and thyme. Cook 1 minute until the spices bloom in the oil and become fragrant.
- 3Add diced tomatoes and stir, scraping up any bits. Cook 2 minutes until the mixture thickens slightly.
- 4Add the rinsed lentils and vegetable broth. Bring to a boil, then reduce heat to a steady simmer.
- 5Cook uncovered for 25–30 minutes, stirring occasionally, until the lentils are completely tender and beginning to break down. Green lentils hold their shape better than red; if you want a thicker, creamier soup, mash about 1/3 of the lentils against the side of the pot.
- 6Squeeze in lemon juice and taste — the acid brightens the whole soup. Season generously with salt and pepper.
- 7Serve in bowls with a drizzle of olive oil, fresh parsley, and crusty bread. This soup thickens substantially as it cools — add a splash of water or broth when reheating.
Pro Tips
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Rinse lentils well before cooking — this removes dust and any small debris. Green and brown lentils hold their shape; red lentils dissolve completely for a smoother, creamier texture. Choose based on which consistency you prefer.
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The lemon juice is added at the end, never at the beginning — acid early in cooking prevents lentils from softening properly. Add it in the last minute of cooking for maximum brightness.
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This is the ultimate fridge-clearing soup: add any root vegetables or sturdy greens you have — diced sweet potato, kale, turnip, or parsnip all work beautifully. Add them with the broth.
Frequently Asked Questions
Do lentils need to be soaked before making soup?
No — lentils are one of the few legumes that don't require soaking. Green and brown lentils cook in 25–30 minutes directly from dry with just a rinse. Red lentils cook even faster (15–20 minutes) and break down completely. This makes lentil soup one of the fastest substantial soups you can make from scratch.
How do I make lentil soup thicker?
Mash about a third of the lentils directly against the side of the pot using a wooden spoon or potato masher. The starch from the crushed lentils thickens the broth naturally without adding flour or cream. For an even smoother texture, blend a cup of the soup in a blender and stir it back in.
Can I freeze lentil vegetable soup?
Yes — lentil soup is one of the best freezer soups. Cool completely, then freeze in portions for up to 3 months. The lentils hold up well to freezing and the flavor actually improves. Thaw overnight in the fridge and reheat over medium heat with a splash of broth to restore the consistency.
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