Potato Cheese Casserole - cooking recipe

Ingredients

10 medium potatoes, cooked and mashed
1/2 c. melted margarine
1 lb. grated Cheddar cheese
1 c. chopped onions
2 c. sour cream
2 c. green peppers, chopped or 2 c. diced green chilies (optional)

Preparation

Mix together and put in a 3-quart casserole.
Bake at 350\u00b0 for 35 minutes.