Microwave Macaroni And Cheese
["1 (16 oz.) box macaroni shells", "1 (12 oz.) can evaporated milk", "1/2 c. margarine", "1 egg, beaten", "1 1/2 c. grated Cheddar cheese, divided"]
["Prepare macaroni according to package directions and drain. Pour into a 2-quart baking dish and set aside."]
["macaroni shells", "milk", "margarine", "egg", "Cheddar cheese"]