Supreme Stuffed Portobello Mushroom Pizzas

Supreme stuffed portobello mushroom pizzas are a delicious way to enjoy all the flavors of a supreme pizza in a healthier way. A mixture of pizza sauce, Italian sausage, pepperoni, peppers, olives, and more are covered in fresh mozzarella in these easy stuffed portobello mushrooms.

Course Main Course
Prep Time 10 minutes
Cook Time 20 minutes
Total Time 30 minutes
Servings 4
Calories 339 kcal
Author Alyssa


  • 8 portobello mushroom caps
  • Salt, to taste
  • Ground black pepper, to taste
  • Garlic powder, to taste
  • 3/4 cup marinara sauce, your favorite
  • 3/4 cup Italian sausage, cooked and crumbled
  • 1/2 cup chopped pepperoni
  • 1/4 cup chopped onion
  • 2 tbsp chopped black olives
  • 2 tbsp chopped green pepper
  • 8 oz fresh mozzarella, thinly sliced
  • 4 basil leaves, roughly chopped


  1. Preheat oven to 400°F. Wipe eat portobello mushroom cap with a damp paper towel to clean them off. Remove the stems and gently scrape out the gills.

  2. Place an oven-safe wire rack on a rimmed baking sheet. Spray it generously with cooking spray.

  3. Season the front and back of each mushroom cap with salt, pepper, and garlic powder. Place them on the wire rack and bake for 10 minutes.

  4. Blot any excess moisture that you can from the mushrooms and flip them over. Spoon approximately 1 1/2 tablespoons of marinara sauce into the well of each mushroom cap. Evenly scatter sausage, pepperoni, onion, olives, and peppers over each mushroom, and top with sliced mozzarella.

  5. Bake for 10 minutes, or until heated throughout and the cheese is melted. If desired, pop them under the broiler at the end of the cook time to brown the cheese. Garnish with fresh basil and serve immediately.

Nutrition Facts
Supreme Stuffed Portobello Mushroom Pizzas
Amount Per Serving (2 portobellos)
Calories 339 Calories from Fat 180
% Daily Value*
Total Fat 20g 31%
Saturated Fat 9g 45%
Cholesterol 50mg 17%
Sodium 950mg 40%
Potassium 826mg 24%
Total Carbohydrates 15.6g 5%
Dietary Fiber 3.6g 14%
Sugars 4.5g
Protein 27g 54%
Calcium 5%
Iron 8%
* Percent Daily Values are based on a 2000 calorie diet.