Instructions

  1. Melt butter in a saucepan.
  2. Add flour and whisk well.
  3. Allow to cook for a minute or two.
  4. Add milk, pepper, onion and ground mustard.
  5. Cook until smooth.
  6. Tear american cheese slices into small pieces.
  7. Cut Cheddar cheese into cubes.
  8. Add cheeses to milk mixture.
  9. Continue cooking until cheeses are throughly melted.
  10. Place macaroni in a glass casserole dish.
  11. Pour cheese sauce over macaroni.
  12. Stir.
  13. For topping, mix butter, bread crumbs and onion powder together.
  14. Sprinkle over macaroni.
  15. Bake in a 300 degree oven for 20 minutes.
  16. Serve!