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Stuffed Portobello Mushrooms

Irresistibly Cheesy Stuffed Portobello Mushrooms at Home

These Stuffed Portobello Mushrooms are bursting with cheesy goodness and nutritious veggies, perfect for a quick dinner or impressive appetizer.
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Prep Time 20 minutes
Cook Time 25 minutes
Cooling Time 5 minutes
Total Time 50 minutes
Servings: 4 mushrooms
Course: Appetizers
Cuisine: Italian
Calories: 250
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Mushrooms
  • 4 pieces Portobello Mushrooms or Cremini mushrooms
For the Filling
  • 1 cup Cooked Quinoa or Rice use brown rice or cauliflower rice for lower carbs
  • 2 cups Chopped Spinach can substitute with kale or Swiss chard
  • 1 cup Diced Tomatoes or canned tomatoes
  • 1 cup Mozzarella Cheese Italian cheese blend is a good alternative
  • 1/2 cup Parmesan Cheese can try grated Pecorino Romano
  • 2 cloves Garlic can use roasted garlic for milder flavor
  • 1 teaspoon Dried Oregano Italian seasoning can be a substitute
For Seasoning and Baking
  • 2 tablespoons Olive Oil canola oil is a neutral substitute
  • to taste Salt and Pepper

Equipment

  • Oven
  • baking sheet
  • parchment paper
  • mixing bowl
  • spoon

Method
 

Step‑by‑Step Instructions for Stuffed Portobello Mushrooms
  1. Preheat your oven to 375°F (190°C) and line a baking sheet with parchment paper.
  2. Gently remove the stems and scrape out the dark gills of the Portobello mushrooms.
  3. Brush both sides of the mushroom caps with olive oil and season with salt and pepper.
  4. In a mixing bowl, combine cooked quinoa or rice, chopped spinach, diced tomatoes, mozzarella, Parmesan, garlic, and oregano.
  5. Spoon the filling into each mushroom cap, packing it lightly.
  6. Bake for 20-25 minutes until the mushrooms are tender and cheese is melted and golden.
  7. Let cool slightly, garnish with parsley, and serve warm.

Nutrition

Serving: 1mushroomCalories: 250kcalCarbohydrates: 30gProtein: 10gFat: 12gSaturated Fat: 5gPolyunsaturated Fat: 1gMonounsaturated Fat: 4gCholesterol: 20mgSodium: 400mgPotassium: 500mgFiber: 5gSugar: 3gVitamin A: 1500IUVitamin C: 15mgCalcium: 200mgIron: 2mg

Notes

For best results, do not overfill the mushrooms and ensure to scrape out the gills for even cooking. Variation in cheeses can elevate flavors further.

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