Herbed Lentil Soup with Houseplant Greens

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A nourishing soup featuring earthy lentils and tender houseplant greens, finished with a touch of garden-fresh herbs. This french-inspired soups (vegetarian) ready in about 60 minutes pairs brown lentils, medium carrots, stalks celery for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 240 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: 25 min Cook: 35 min Serves 4 French cuisine 240 cal/serving
Plan a meal with the AI → Shop this recipe on Instacart → Shop equipment ↓

Ingredients

Instructions

  1. Step 1: Rinse 1 cup brown lentils under cold water. Peel and dice 2 medium carrots and 2 stalks celery into 1/4-inch pieces. Finely chop 1 yellow onion and 3 garlic cloves.
  2. Step 2: Heat a large pot over medium heat. Add 1 tbsp olive oil, then sauté onions until translucent (5 minutes). Add carrots, celery, and garlic, cooking for 5 more minutes until fragrant.
  3. Step 3: Stir in 1 cup rinsed lentils, 4 cups chicken or vegetable broth, 1 tsp dried thyme, and 1/2 tsp salt. Bring to a boil, then reduce heat to low and simmer uncovered for 25-30 minutes until lentils are tender.
  4. Step 4: Stir in 2 cups chopped houseplant greens (like Swiss chard stems) and cook for 3-4 minutes until wilted. Remove from heat and stir in 1 tbsp lemon juice. Season with additional salt if needed.

Equipment for this recipe

Top-rated tools to make this recipe successfully.

More Knives & cutting boards → Shop all kitchen tools →

Frequently asked questions

How long does Herbed Lentil Soup with Houseplant Greens take to make?

Total time is about 60 minutes (25 min prep + 35 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 Herbed Lentil Soup with Houseplant Greens?

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 Herbed Lentil Soup with Houseplant Greens?

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 Herbed Lentil Soup with Houseplant Greens 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 Herbed Lentil Soup with Houseplant Greens 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.

What others are saying