Instructions

  1. Cook macaroni per package directions and drain. Set aside.
  2. Melt butter. Add flour, salt, mustard, and pepper. Cook, stirring constantly for 2 minutes. Do not brown.
  3. Add milk, onion and Worcestershire sauce. Cook until thickened and smooth (depending on how fine your onions are chopped will determine the smoothness).
  4. Stir in cheese continuing to stir until melted and creamy.
  5. Combine cheese sauce and macaroni. Pour into a 2.5 quart prepared casserole.
  6. You can top with additonal cheese or bread crumbs, if desired. Bake at 350 for 25 minutes or until hot through.