Scalloped Potatoes - cooking recipe

Ingredients

1 stick margarine
4 Tbsp. flour
3 c. milk
1 small onion, chopped
1/4 tsp. dry or prepared mustard
2 slices American cheese
6 c. sliced potatoes

Preparation

Melt margarine; add flour and mix well.
Add milk, then gradually add onion, mustard and cheese.
Add potatoes; bring to a boil.
Boil seven minutes.
Put in a casserole or baking dish. Bake in 350\u00b0 oven for 45 minutes or microwave about 15 minutes, until potatoes are tender.
May add 1 1/2 to 2 pounds of cubed ham instead of cheese.
Add salt if not using ham.