1 (8 ounce) package cream cheese, softened
1/4 cup mayonnaise
2 ounces Swiss cheese, sliced
1 (6 ounce) package shredded mozzarella cheese
1 (16 ounce) package Italian-style processed cheese food
Preheat oven to 350 degrees F (175 degrees C).
Stir together cream cheese, mayonnaise, Swiss cheese and mozzarella cheese. Spread mixture in a 9x13-inch baking dish.
Bake uncovered in preheated oven 10 minutes, turning 10 times.