Slow-Cooked Red Lentil Soup with Cumin

By · Reviewed by AislePrompt Editorial · ·

A nourishing soup where red lentils simmer gently with cumin for a deeply savory, smooth broth. This indian-inspired soups (vegetarian) ready in about 60 minutes pairs red lentils, medium onion, medium carrots for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 250 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 15 min Cook: 45 min Serves 4 Indian-inspired cuisine 250 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tbsp coconut oil in a large pot over medium-low heat until melted. Add 1 medium onion, finely diced, and cook for 3 minutes until softened.
  2. Step 2: Add 2 medium carrots, diced, 2 stalks celery, diced, and 3 minced garlic cloves, cooking for 2 minutes until fragrant.
  3. Step 3: Stir in 1 tsp cumin and cook for 30 seconds until aromatic, then add 1 cup red lentils, 4 cups chicken broth, and 1 tsp salt.
  4. Step 4: Bring to a gentle simmer over low heat, then reduce heat to low and cook uncovered for 45 minutes, stirring occasionally until lentils are tender and soup thickens.
  5. Step 5: Remove from heat and let rest for 10 minutes before serving.

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Frequently asked questions

How long does Slow-Cooked Red Lentil Soup with Cumin take to make?

Total time is about 60 minutes (15 min prep + 45 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Slow-Cooked Red Lentil Soup with Cumin?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep red lentils from drying out.

Can I substitute ingredients in Slow-Cooked Red Lentil Soup with Cumin?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Slow-Cooked Red Lentil Soup with Cumin for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Slow-Cooked Red Lentil Soup with Cumin vegetarian?

Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.

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