Three Cheese Macaroni(Make One-Quart - Freeze One!)  
["1 lb. elbow macaroni", "3 Tbsp. butter or margarine", "1/4 c. flour", "1 Tbsp. dry mustard", "4 c. milk", "8 oz. Mozzarella cheese, shredded", "4 oz. sharp Cheddar cheese, shredded", "4 oz. Monterey Jack cheese, shredded", "2 Tbsp. melted butter", "4 slices bread"]
["Preheat oven to 375\u00b0.", "To a pot of slightly salted boiling water, add macaroni.", "Cook for 6 minutes.", "Drain and return to pot. Set aside."]
["elbow macaroni", "butter", "flour", "mustard", "milk", "Mozzarella cheese", "Cheddar cheese", "cheese", "butter", "bread"]