Rustic Forest Mushroom and Kale Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A nourishing soup featuring earthy mushrooms and hearty kale, inspired by Illinois’ lush national forests and outdoor recreation. This american-inspired soups (vegetarian) ready in about 50 minutes pairs olive oil, medium, diced yellow onion, medium, diced carrots for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 130 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: 35 min Serves 6 American cuisine 130 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large pot over medium heat. Add 1 diced medium yellow onion, 2 diced medium carrots, and 2 diced celery stalks, sautéing for 6-7 minutes until softened and fragrant.
  2. Step 2: Stir in 3 minced garlic cloves and 12 oz sliced cremini mushrooms, cooking for 5 minutes until mushrooms release moisture and begin to brown.
  3. Step 3: Add 4 cups chopped kale leaves, 6 cups vegetable broth, 1 tsp chopped fresh thyme, and 1 bay leaf. Bring the soup to a gentle boil.
  4. Step 4: Lower the heat and simmer for 20 minutes until the kale is tender and flavors meld.
  5. Step 5: Remove the bay leaf, then season with 1 tsp salt, 1/2 tsp black pepper, and 1 tbsp fresh lemon juice to brighten the flavors before serving.

Frequently asked questions

How long does Rustic Forest Mushroom and Kale Soup take to make?

Total time is about 50 minutes (15 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 Rustic Forest Mushroom and Kale 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 olive oil from drying out.

Can I substitute ingredients in Rustic Forest Mushroom and Kale 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 Rustic Forest Mushroom and Kale 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.

Is Rustic Forest Mushroom and Kale Soup 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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