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stuffed portobello burgers

Stuffed Portobello Mushroom Burger

  • Author: Liz Thomson
  • Prep Time: 10 minutes
  • Cook Time: 20 minutes
  • Total Time: 30 minutes
  • Yield: 4 burgers 1x
  • Category: Dinner
  • Method: Oven
  • Cuisine: American
  • Diet: Vegetarian


Units Scale
  • 4 portobello mushroom caps
  • 4 ounces cream cheese, softened
  • 1 jalapeño, diced small
  • 1 teaspoon garlic powder
  • 1/4 teaspoon salt
  • 1/8 teaspoon ground black pepper
  • 1 cup shredded white cheddar cheese
  • 1 avocado, sliced
  • 4 burger buns
  • Optional toppings: lettuce, tomato, onion, etc.


  1. Preheat your oven to 375° and prepare a baking sheet by lining it with aluminum foil or parchment.
  2. Place the portobello mushrooms hollow side up on your prepared baking sheet.
  3. Bake the mushrooms for 8 minutes to help release moisture before stuffing them.
  4. In a medium mixing bowl, combine the cream cheese, jalapeño, garlic, salt, and pepper. 
  5. Stir in ½ cup of the shredded cheddar.
  6. Spoon ¼ of the cheese and jalapeño mixture into each of the portobello caps, then top with the remaining ½ cup of cheddar.
  7. Place the stuffed portobellos into the oven and bake for 12-15 minutes, or until the cheese is melted and lightly golden-brown.
  8. Serve your portobellos on a bun with avocado, lettuce, tomato, or whatever toppings you desire.

Keywords: Stuffed Portobello Mushroom Burger