Macaroni & Cheese

Pasta
3 cups elbow macaroni (al dente)
1 tsp. onion chopped very fine

Cheese Rue
4 T. butter (melt in pot)
2 T. flour
1/2 gallon whole milk
15 slices of american cheese (add more for desired taste)
1 tsp. onion chopped very fine
salt and paper

Cover & Bake in oven at 350 degrees for 45 minutes.