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Appetizer Recipes Stuffed Portobello Mushrooms

Whenever I want an appetizer that feels just a little fancy without turning my kitchen into a full-on restaurant, I turn to stuffed portobello mushrooms. There’s something about their earthy flavor, that big, hearty cap, and the way they soak up all the cheesy, garlicky filling that makes them irresistible. This dish falls right into the comfort zone of stuffed mushrooms recipes, but with a portobello twist that makes them feel a little more grown up. I remember the first time I tried making stuffed mushrooms at home. I overfilled them—naturally, because restraint isn’t really my thing—and ended up with cheesy mushroom lava spilling all over the baking tray. It was messy, but the smell? Pure heaven. Over time, I learned that less stuffing actually means a better bite, because the mushroom flavor still gets its chance to shine. If you’ve ever found yourself scrolling through mushrooms recipes, debating whether to try something new, this is your sign. These stuffed portobellos are easy enough for a weeknight and elegant enough for company. Some say they remind them of the famous red lobster stuffed mushrooms recipe, but I like to think of this as my own recipe with mushrooms that deserves its own spotlight on the table. Every bite is hearty, flavorful, and exactly the kind of appetizer recipes we all secretly hope show up at the party.
Prep Time15 minutes
Cook Time25 minutes
Total Time40 minutes
Course: Appetizer
Cuisine: American
Keywords: appetizer recipes, mushrooms recipes, portobello mushroom recipes, recipe with mushrooms, red lobster stuffed mushrooms recipe, stuffed mushrooms recipes
Servings: 4 servings
Author: Lila

Ingredients

  • 4 large portobello mushrooms, stems removed
  • 2 tablespoons olive oil
  • 1 small onion, finely chopped
  • 2 cloves garlic, minced
  • 1 cup fresh spinach, chopped
  • 1/2 cup breadcrumbs
  • 1/2 cup grated Parmesan cheese
  • 1/2 cup cream cheese, softened
  • 1/4 teaspoon red pepper flakes
  • Salt and black pepper to taste
  • Fresh parsley, chopped for garnish

Instructions

  1. Preheat oven to 375°F (190°C). Lightly grease a baking sheet.
  2. Brush the mushroom caps with olive oil and place them gill-side up on the sheet.
  3. In a skillet, sauté onion until soft. Add garlic and spinach, cooking until wilted.
  4. Transfer the mixture to a bowl and stir in breadcrumbs, Parmesan, cream cheese, red pepper flakes, salt, and pepper.
  5. Spoon the mixture into the mushroom caps, pressing gently to fill.
  6. Bake for 20–25 minutes, until the mushrooms are tender and the tops are golden.
  7. Sprinkle with fresh parsley before serving.