Pizza Stuffed Portobello Mushrooms

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These vegetarian stuffed portobello mushrooms are a tasty and healthy twist on pizza! They come together fast enough for a weeknight meal and even the carnivores in your house will leave satisfied.

  • Author: Leanne Ray, MS, RDN
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Total Time: 30 minutes
  • Yield: 2 servings 1x
  • Category: Mains
  • Method: Oven
  • Cuisine: Italian
  • Diet: Vegetarian


  • 2 large portobello mushroom caps (cleaned, stems and gills removed)
  • 1 Tbsp olive oil 
  • 1/2 cup tomato sauce
  • 2 Tbsp pesto
  • 2/3 cup shredded mozzarella cheese
  • Grated parmesan cheese, red pepper flakes, fresh basil


  1. Preheat oven to 400 degrees
  2. Place mushrooms stem side down on a baking sheet and drizzle with olive oil, then season with salt and pepper. Bake for 8-10 minutes or until tender.
  3. Flip mushrooms and top with tomato sauce, pesto and mozzarella cheese (divide evenly between the two).
  4. Bake for 5 more minutes or until cheese is completely melted. Broil 1-2 minutes to get cheese bubbly and slightly browned on top.
  5. Top with parmesan cheese, red pepper flakes & basil. 


  • Feel free to add your favorite pizza toppings to this before topping with the mozzarella cheese.