Best-Kept Secret Vegan Lentil Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A hearty, nutrient-packed soup that’s the best-kept secret for a comforting meal, featuring earthy lentils and aromatic vegetables. This international-inspired vegan ready in about 45 minutes pairs rinsed green lentils, diced (about 1 cup) carrots, stalks, diced (about 1/2 cup) celery for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 6, 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.

★ 4.1 (9 ratings) Prep: 15 min Cook: 30 min Serves 6 International cuisine 220 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tbsp olive oil in a large pot over medium heat. Add 1 diced onion and 2 diced celery stalks, and cook for 5 minutes until softened, stirring occasionally.
  2. Step 2: Add 3 minced garlic cloves and cook for 1 minute until fragrant, then stir in 2 diced carrots and cook for 3 minutes.
  3. Step 3: Add 1 cup rinsed green lentils, 14 oz canned diced tomatoes, 4 cups vegetable broth, 1 tsp dried thyme, 1 bay leaf, 1/2 tsp salt, and 1/4 tsp black pepper. Bring to a boil.
  4. Step 4: Reduce heat to low, cover, and simmer for 25-30 minutes until lentils and carrots are tender.
  5. Step 5: Remove bay leaf and serve hot, garnished with extra thyme if desired.

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Frequently asked questions

How long does Best-Kept Secret Vegan Lentil Soup take to make?

Total time is about 45 minutes (15 min prep + 30 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 Best-Kept Secret Vegan Lentil Soup?

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 rinsed green lentils from drying out.

Can I substitute ingredients in Best-Kept Secret Vegan Lentil Soup?

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 Best-Kept Secret Vegan Lentil Soup for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). 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.

What goes well with Best-Kept Secret Vegan Lentil Soup?

International vegan like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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