One-Pot Lentil and Vegetable Stew with Thyme

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A hearty, affordable stew packed with protein-rich lentils and seasonal vegetables, simmered to perfection with a hint of thyme. This global-inspired soups (vegetarian) ready in about 45 minutes pairs brown lentils, onion, carrots for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 300 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.

Prep: 15 min Cook: 30 min Serves 6 Global cuisine 300 cal/serving
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Ingredients

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Instructions

  1. Step 1: In a large pot, combine 1 cup brown lentils, 1 diced onion, 2 diced carrots, and 2 diced celery stalks. Add 4 cups vegetable broth and 1 can (14 oz) diced tomatoes, then stir in 1 tsp chopped thyme, 1/2 tsp salt, and 1/4 tsp black pepper.
  2. Step 2: Bring to a boil over medium-high heat, then reduce heat to low and simmer uncovered for 25-30 minutes until lentils are tender and vegetables are cooked through.
  3. Step 3: Stir in 2 tbsp chopped parsley, then taste and adjust salt and pepper if needed.

Frequently asked questions

How long does One-Pot Lentil and Vegetable Stew with Thyme 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 One-Pot Lentil and Vegetable Stew with Thyme?

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 brown lentils from drying out.

Can I substitute ingredients in One-Pot Lentil and Vegetable Stew with Thyme?

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 One-Pot Lentil and Vegetable Stew with Thyme 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.

Is One-Pot Lentil and Vegetable Stew with Thyme 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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