Three-Cheese Stuffed Portobello Mushrooms
Hearty, savory mushrooms filled with a blend of three cheeses and herbs, baked until bubbly and golden for a show-stopping vegetarian appetizer or main. This mediterranean-inspired vegetarian (vegetarian) ready in about 43 minutes pairs packed fresh spinach, minced garlic, crumbled feta cheese for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 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.
Ingredients
- 4 large, stems removed portobello mushrooms
- 2 cups, packed fresh spinach
- 3 cloves, minced garlic
- 1/2 cup, crumbled feta cheese
- 1/2 cup, shredded mozzarella
- 2 tbsp, grated parmesan
- 1 tsp dried oregano
- 1 tbsp olive oil
Instructions
- Step 1: Preheat oven to 375°F (190°C). Brush mushroom caps with 1 tbsp olive oil, place on a baking sheet, and bake for 10 minutes to soften.
- Step 2: While mushrooms bake, sauté spinach and minced garlic in a skillet over medium heat for 3-4 minutes until wilted and excess liquid evaporates. Remove from heat and mix with feta, mozzarella, parmesan, and oregano.
- Step 3: Spoon cheese mixture evenly into mushroom caps. Return to oven and bake for 15-18 minutes until cheese is golden and bubbly, with mushrooms tender but still holding shape.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Three-Cheese Stuffed Portobello Mushrooms take to make?
Total time is about 43 minutes (15 min prep + 28 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 Three-Cheese Stuffed Portobello 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 packed fresh spinach from drying out.
Can I substitute ingredients in Three-Cheese Stuffed Portobello 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 Three-Cheese Stuffed Portobello Mushrooms 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 Three-Cheese Stuffed Portobello 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.
What others are saying
- ★★★★☆
Good flavors but the sauce was a bit thin. I'd reduce it longer.
- ★★★★☆
My family liked it. I personally would prefer more depth of flavor.
- ★★★★☆
Really good but took about 10 minutes longer than stated.
