1. Cook macaroni on stove according to package directions.
2. Place milk, flour, and onion salt in medium-sized bowl, and whisk until thoroughly mixed. Stir together flour mixture, 3 1/2 cups cheese, and macaroni.
3. Pour macaroni mixture into a lightly greased 13- x 9-inch baking dish, and sprinkle evenly with breadcrumbs and remaining 1 cup cheese; drizzle evenly with melted butter.
4. Bake at 350° for 45 minutes or until golden brown.
No notes available at this time.
Thanks to JB411 from St. Louis, MO for submitting this recipe.