06/02/2026
Easy Stuffed Portobello Mushrooms
These stuffed portobello mushrooms are hearty, savory, and naturally low-carb. Large mushroom caps are filled with a flavorful mixture of garlic, spinach, cheese, and herbs, then baked until tender and golden. They work as a light main dish, appetizer, or side.
Recipe Overview
Prep Time: 15 minutes
Cook Time: 20–25 minutes
Total Time: ~40 minutes
Servings: 4
Ingredients
Mushrooms
4 large portobello mushroom caps
2 tablespoons olive oil
½ teaspoon salt
¼ teaspoon black pepper
Filling
2 cups fresh spinach, chopped
3 cloves garlic, minced
½ cup cream cheese (or ricotta)
½ cup shredded mozzarella
¼ cup grated Parmesan cheese
1 teaspoon dried oregano or Italian seasoning
¼ teaspoon chili flakes (optional)
Salt and pepper to taste
Optional Toppings
Cherry tomatoes, halved
Fresh basil or parsley
Extra parmesan
Balsamic glaze drizzle
Instructions
Step 1: Prepare the Mushrooms
Preheat oven to 400°F (200°C).
Remove stems from mushrooms and gently scrape out gills if desired.
Brush both sides with olive oil.
Season with salt and pepper.
Place on a baking sheet, gill side up.
Step 2: Pre-Bake Mushrooms
Bake for 8–10 minutes to release excess moisture.
Carefully drain any liquid from the caps afterward.
Step 3: Make the Filling
In a pan over medium heat:
Sauté garlic for 30 seconds.
Add spinach and cook until wilted (1–2 minutes).
Remove from heat and mix with:
Cream cheese
Mozzarella
Parmesan
Oregano
Chili flakes
Stir until creamy and well combined.
Step 4: Stuff the Mushrooms
Spoon filling generously into each mushroom cap.
Press lightly to pack it in.
Top with extra mozzarella or parmesan if desired.
Step 5: Bake
Bake for 12–15 minutes, until:
Cheese is melted
Mushrooms are tender
Tops are lightly golden
For extra browning, broil for 1–2 minutes at the end.
Step 6: Serve
Garnish with:
Fresh basil or parsley
Cherry tomatoes
A drizzle of balsamic glaze