Spaghetti Pizza 8 ounces spaghetti, cooked, drained 1 egg 1/2 cup milk 1 (16 ounce) jar spaghetti sauce 2 (3.5 ounce) packages sliced pepperoni 2 cups shredded mozzarella cheese Preheat oven to 350. In bowl, combine spaghetti, egg and milk. Spoon into greased 9x13 inch baking pan. Cover with spaghetti sauce. Add pepperoni. Sprinkle with cheese. Bake for 30 minutes. Sprinkle with parmesan cheese, if desired.