Bring a large saucepan of lightly salted water to a boil. Place macaroni in the saucepan and cook for 8 to 10 minutes, or until al dente; drain.
Preheat oven to 350 degrees F (175 degrees C). Lightly grease an 8x8 inch baking dish.
Spread the Cheddar cheese over the bottom of the baking dish. Top with a thin layer of macaroni. Top macaroni with Provolone cheese, another layer of macaroni, a layer of mozzarella and a third layer of macaroni. Top with a layer of Colby-Monterey Jack cheese. Pour the egg over all, followed by the milk.
Bake in the preheated oven 20 minutes, or until bubbly and golden brown.
recipepes.comFour Cheese Macaroni and Cheese, recipePT15MPT1H5455 calories