Macaroni And Cheese Supreme
["1 c. sour cream", "2 c. cottage cheese", "8 oz. Cheddar cheese", "1 egg, beaten", "7 oz. macaroni (uncooked)"]
["Cook and drain macaroni; add remaining ingredients and place in a greased casserole dish.", "Bake at 350\u00b0 for 45 minutes.", "Serves 4 to 6."]
["sour cream", "cottage cheese", "Cheddar cheese", "egg", "macaroni"]