Scalloped Potatoes - cooking recipe

Ingredients

2 qt. precooked potatoes
1 medium onion
1/2 c. margarine
1 can cream of mushroom soup
salt and pepper
several slices Velveeta cheese

Preparation

Chop onion and slightly brown in margarine.
Slice potatoes in baking dish.
Pour onion and margarine mixture over potatoes.
Add remaining ingredients.
Mix well and heat in oven until completely warmed and cheese is melted.