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a single portobello mushroom pizza with fresh tomatoes and mozzarella cheese.
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5 from 7 votes

Portobello Mushroom Pizza

This portobello mushroom pizza is a single serving, low-carb pizza made with a roasted mushroom cap topped with melted mozzarella, tomato, and classic pizza toppings.
Prep Time5 minutes
Cook Time25 minutes
Total Time30 minutes
Course: Appetizer, Main Dish
Cuisine: Italian
Diet: Low Carb, Gluten Free, Low Calorie, Vegetarian
Keyword: pizza, portobello mushroom pizza, vegetarian
Servings: 1 serving
Author: Joanie Zisk

Equipment

Ingredients

  • 1 large portobello mushroom cap -stem and gills removed
  • ½ tablespoon olive oil -divided
  • ¼ teaspoon dried oregano
  • ¼ teaspoon red pepper flakes
  • ⅛ teaspoon kosher salt
  • ½ cup shredded mozzarella cheese -divided
  • 1 small tomato -sliced
  • 1 teaspoon sliced black olives
  • 2 tablespoons chopped fresh basil -divided
US - Metric

Instructions

  • Heat the oven to 375°F (190°C).
  • Place the portobello mushroom cap on a baking sheet and brush the top lightly with 1 teaspoon of olive oil. Bake for 5 minutes to help release moisture and lightly crisp the surface.
  • Remove the mushroom from the oven and flip it over. Drizzle the inside with the remaining olive oil and season with oregano, red pepper flakes, and salt.
  • Sprinkle half of the mozzarella inside the mushroom cap. Top with tomato slices, black olives, and some of the chopped basil.
  • Add the remaining mozzarella over the toppings. If the mushroom is very large, you can add a little extra cheese.
  • Return the mushroom to the oven and bake for 20 minutes, until the cheese is melted and lightly browned.
  • Remove from the oven and garnish with the remaining fresh basil. Serve warm.

Notes

  • Remove excess moisture: Wipe the mushroom clean and scrape out the gills to reduce moisture and create more space for toppings.
  • Use olive oil generously: Brushing the mushroom with olive oil helps it roast properly and adds classic pizza flavor.
  • Pre-bake the mushroom: Baking the mushroom before adding toppings releases excess moisture and prevents a soggy base.
  • Watch for doneness: The pizza is ready when the cheese is melted and lightly browned and the mushroom is tender but still holds its shape.

Nutrition

Serving: 1serving | Calories: 217kcal | Carbohydrates: 8g | Protein: 15g | Fat: 20g | Saturated Fat: 8g | Cholesterol: 44mg | Sodium: 363mg | Potassium: 564mg | Fiber: 2g | Sugar: 5g | Vitamin A: 1137IU | Vitamin C: 12mg | Calcium: 294mg | Iron: 1mg

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