1. Preheat oven to 450°F. Combine tomato sauce, Parmesan cheese and oregano in small bowl; spread tomato sauce evenly over crust. Sprinkle pizza with mozzarella cheese; top with pepperoni.
2. Place on ungreased pizza pan. Bake 12 to 15 minutes or until edges of crust are browned lightly and cheese melts. Cut pizza into 6 slices.