Authentic Provençal Lentil Soup with Preserved Lemon

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A rustic, deeply flavorful soup honoring Southern French traditions, featuring slow-simmered lentils, aromatic herbs, and the bright tang of preserved lemon. This mediterranean-inspired soups (vegetarian) ready in about 75 minutes pairs green lentils, vegetable broth, medium carrots for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 210 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: 20 min Cook: 55 min Serves 6 Mediterranean cuisine 210 cal/serving
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Ingredients

Instructions

  1. Step 1: Rinse 1 cup green lentils under cold water and drain. Finely dice 2 medium carrots, 1 medium onion, and 2 celery stalks. Mince 3 garlic cloves. Heat 2 tbsp olive oil in a large pot over medium heat. Add diced vegetables and cook for 7 minutes until softened but not browned.
  2. Step 2: Stir in 1 cup rinsed green lentils, 4 cups vegetable broth, 2 sprigs fresh thyme, and 1 preserved lemon (rind and pulp, finely chopped). Bring to a gentle simmer, then reduce heat to low. Cover and simmer for 45 minutes until lentils are tender but not mushy.
  3. Step 3: Remove thyme sprigs. Stir in 1 tbsp lemon juice and 2 tbsp chopped fresh parsley. Taste and adjust seasoning with salt and pepper. Simmer uncovered for 5 more minutes until soup thickens slightly and flavors meld. Serve hot with extra parsley for garnish.

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Frequently asked questions

How long does Authentic Provençal Lentil Soup with Preserved Lemon take to make?

Total time is about 75 minutes (20 min prep + 55 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 Authentic Provençal Lentil Soup with Preserved Lemon?

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 green lentils from drying out.

Can I substitute ingredients in Authentic Provençal Lentil Soup with Preserved Lemon?

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 Authentic Provençal Lentil Soup with Preserved Lemon 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 Authentic Provençal Lentil Soup with Preserved Lemon 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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