Slow-Cooked Spiced Lentil and Sweet Potato Stew

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A nourishing stew of lentils and sweet potatoes slowly cooked with warming spices for a cozy, filling meal. This mediterranean-inspired lamb (vegan) ready in about 75 minutes pairs rinsed brown lentils, olive oil, large, diced yellow onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 310 calories and feeds 5, 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.

★ 4.6 (9 ratings) Prep: 15 min Cook: 60 min Serves 5 Mediterranean cuisine 310 cal/serving
Plan a meal with the AI →

Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large heavy pot over medium heat. Add 1 large diced yellow onion and sauté for 5 minutes until softened and translucent.
  2. Step 2: Stir in 3 minced garlic cloves, 1 1/2 tsp ground cumin, 1/2 tsp ground cinnamon, and 1 tsp smoked paprika; cook for 1 minute until fragrant.
  3. Step 3: Add 1 1/2 cups rinsed brown lentils, 2 diced medium sweet potatoes (about 1 lb), 14 oz canned diced tomatoes with juices, and 4 cups vegetable broth.
  4. Step 4: Bring to a boil, then reduce heat to low and cover partially with lid. Let simmer gently for 50-60 minutes, stirring occasionally, until lentils and sweet potatoes are tender and stew has thickened.
  5. Step 5: Season with 1 1/2 tsp salt and 1/2 tsp black pepper, stirring well.
  6. Step 6: Ladle stew into bowls and garnish each serving with 1/4 cup chopped fresh cilantro and a wedge of lemon for squeezing.
  7. Step 7: Serve hot with warm crusty bread or over rice if desired.

Frequently asked questions

How long does Slow-Cooked Spiced Lentil and Sweet Potato Stew take to make?

Total time is about 75 minutes (15 min prep + 60 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 Spiced Lentil and Sweet Potato Stew?

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 brown lentils from drying out.

Can I substitute ingredients in Slow-Cooked Spiced Lentil and Sweet Potato Stew?

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 Spiced Lentil and Sweet Potato Stew for a different number of people?

The recipe is written for 5 servings. Multiply each ingredient by (your serving target / 5). 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 Spiced Lentil and Sweet Potato Stew vegan?

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

What others are saying