Heat oven to 450° F. Coat 12-inch round pizza pan with vegetable cooking spray. Arrange frozen potatoes evenly in one layer in pan. Bake 10 minutes.
Remove pan from oven and cover potatoes with sauce. Sprinkle with oregano. Arrange pepper strips on sauce; sprinkle with onions and top with cheeses. Bake about 15 minutes until top is lightly browned.Servings: