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Portobello Pizza Burgers

Portobello mushrooms are a tasty meatless option, especially tucked inside a bun with melty cheese. — Sally Lauf, West Deptford, New Jersey
  • Total Time
    Prep/Total Time: 25 min.
  • Makes
    4 servings


  • 4 large portobello mushrooms (4 to 4-1/2 inches)
  • 4 teaspoons plus 1 tablespoon olive oil, divided
  • 1-1/2 cups finely chopped plum tomatoes
  • 3/4 cup shredded part-skim mozzarella cheese
  • 1-1/2 teaspoons Italian seasoning
  • 4 hamburger buns, split


  • Preheat broiler. Remove and discard stems from mushrooms; with a spoon, scrape and remove gills. Brush caps with 4 teaspoons oil. Place in an ungreased 15x10x1-in. baking pan, stem side down. Broil 4 in. from heat 5 minutes.
  • In a small bowl, mix tomatoes, cheese, Italian seasoning and remaining oil. Remove mushrooms from broiler; turn over and fill caps with tomato mixture.
  • Broil 4-6 minutes longer or until mushrooms are tender and cheese is melted. Serve on buns.
Editor's Note: Mushrooms may also be grilled. Place mushroom caps on grill rack over medium heat, stem side down. Grill, covered, 5 minutes. Remove from grill; fill caps with tomato mixture. Grill, covered, 4-6 minutes longer or until mushrooms are tender and cheese is melted. Serve on buns.
Nutrition Facts
1 burger: 284 calories, 13g fat (4g saturated fat), 12mg cholesterol, 314mg sodium, 29g carbohydrate (7g sugars, 3g fiber), 12g protein. Diabetic Exchanges: 2 starch, 1-1/2 fat, 1 medium-fat meat, 1 vegetable.

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Average Rating:
  • spoiledbasher
    Jul 15, 2014

    This was a fun, tasty recipe for meatless Monday.

  • havingfunwithmyfamily
    Feb 27, 2014

    Wow! After trying this, the two men at the table actually said they would prefer a mushroom burger over a meat burger. I did add a little bit of salt to the topping (I think about 1/4 t). I also soaked, and baked the mushrooms in a beef broth. I think the broth gave the mushrooms the flavor they needed. I will indeed be making these on the grill this summer!