Cook macaroni and drain well. Place milk, flour, onion salt in a quart jar. Cover tightly & shake well for 1 minute. Stir together flour mixture, 3 ½ cups cheese & macaroni. Pour macaroni into a lightly greased 13 x 9 inch baking dish. Sprinkle evenly with breadcrumbs and remaining cheese; drizzle evenly with melted butter. Bake at 350 degrees for 45 minutes or until golden brown. |