Ingredients
4 large portobello mushrooms (4 to 4-1/2 inches)4 teaspoons plus 1 tablespoon olive oil, divided1-1/2 cups finely chopped plum tomatoes3/4 cup shredded part-skim mozzarella cheese1-1/2 teaspoons Italian seasoning4 hamburger buns, split
Preparation
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.
