Spicy Avocado Stuffed Mushrooms

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

Plump mushrooms filled with a creamy avocado mixture, spiced with chili, garlic, and lime. A show-stopping appetizer for any gathering. This mediterranean-inspired one pot (vegetarian) ready in about 33 minutes pairs large button mushrooms, mashed avocado, minced garlic for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 85 calories and feeds 12, 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: 18 min Serves 12 Mediterranean cuisine 85 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 400°F (200°C). Clean 12 large button mushrooms, gently removing stems and reserving 1 tbsp stems for later.
  2. Step 2: In a bowl, mash 1 avocado with 2 minced garlic cloves, 1/2 tsp chili flakes, 1 tbsp lime juice, and a pinch of salt and pepper. Stir in 2 tbsp grated Parmesan.
  3. Step 3: Stuff each mushroom cap with the avocado mixture, pressing gently to fill. Place on a baking sheet and drizzle with 1 tbsp olive oil.
  4. Step 4: Bake for 15-18 minutes until mushrooms are golden and tender. Sprinkle with reserved mushroom stems (chopped) and extra Parmesan before serving.

Frequently asked questions

How long does Spicy Avocado Stuffed Mushrooms take to make?

Total time is about 33 minutes (15 min prep + 18 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 Spicy Avocado Stuffed Mushrooms?

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 large button mushrooms from drying out.

Can I substitute ingredients in Spicy Avocado Stuffed Mushrooms?

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 Spicy Avocado Stuffed Mushrooms for a different number of people?

The recipe is written for 12 servings. Multiply each ingredient by (your serving target / 12). 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 Spicy Avocado Stuffed Mushrooms 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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