Stuffed Portobello Mushrooms: A Gourmet Vegetarian Delight

By Josh Shearer on 03/22/2024

Ditch the burger buns and try these meaty portobello mushrooms stuffed with a savory blend of spinach, quinoa, and cheese for a satisfying and healthy meal. To edit this post, navigate to the admin dashboard.

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The Versatility of Stuffed Portobello Mushrooms

Stuffed portobello mushrooms offer a delicious and satisfying vegetarian alternative to traditional burgers or main courses. Their large caps and meaty texture make them the perfect vessel for a wide variety of fillings. This recipe combines the earthiness of mushrooms with the heartiness of quinoa and the creaminess of cheese for a true vegetarian feast.

Featured Ingredient:

  • Portobello Mushrooms: The star of the show! Choose large portobello mushrooms with firm, intact caps.

Delicious & Nutritious Stuffed Portobello Recipe


  • 4 large portobello mushrooms
  • 1 tablespoon olive oil
  • 1/2 cup chopped onion
  • 1 cup cooked quinoa
  • 1 cup chopped spinach, thawed and squeezed dry
  • 1/4 cup shredded mozzarella cheese
  • 1/4 cup grated Parmesan cheese
  • 2 cloves garlic, minced
  • 1/2 teaspoon dried oregano
  • 1/4 teaspoon salt
  • 1/4 teaspoon black pepper


  1. Prep the Portobellos: Clean the portobello mushrooms and carefully remove the stems. Lightly brush the caps with olive oil.
  2. Sauté & Season: Heat the remaining olive oil in a skillet and sauté the onion until softened. Add the garlic, oregano, salt, and pepper, and cook for another minute.
  3. Mix the Filling: Stir in the cooked quinoa, spinach, mozzarella, and half of the Parmesan cheese into the onion mixture.
  4. Stuff & Bake: Preheat the oven to 400°F (200°C). Fill the portobello caps with the quinoa mixture. Sprinkle with the remaining Parmesan cheese. Bake for 20-25 minutes, or until mushrooms are tender and the cheese is melted and bubbly.
  5. Enjoy! Serve immediately as a delicious and healthy vegetarian main course.


  • Protein power: Add cooked chickpeas, lentils, or crumbled tofu to the filling for extra protein.
  • Flavor boost: Sprinkle a pinch of red pepper flakes for a slightly spicy kick.
  • Creative toppings: Get creative with toppings like chopped fresh herbs, a drizzle of balsamic glaze, or roasted pine nuts.


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