Yield: 4 portions
Preheat oven to 450 degrees F.
Place bread shell on a 12-inch pizza pan. Arrange half of the mushrooms in a single layer; sprinkle with Fontina cheese. Top with green pepper, tomatoes, onion and remaining mushrooms. Sprinkle with Parmesan.
Bake until hot and cheese is melted, about 10 minutes.
Please note that some ingredients and brands may not be available in every store.