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

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.

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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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