Preheat oven to 450° F.
Sauté or bake chicken breast. Cool. Cut into 1/4-inch wide strips. Spray or grease a 12-inch pizza pan. Sauté onions and garlic briefly in the olive oil and add them to the tomatoes, salt and basil. Spread the tomato mixture over the top of the crust. Lay chicken strips down over the tomatoes. Top with fontinella and mozzarella cheeses. Add the sliced mushrooms and sprinkle with Parmesan cheese. Bake at 450°s; F for 8 minutes, or until cheese is melted and crust is piping hot.Makes 4 Source: