Spanish Potatoes

1 tbsp Butter
1 tbsp Flour
1/2 tsp Salt
1/8 tsp White Pepper
1/8 tsp dry Mustard
1 c Milk
2 c cold boiled potatoes (peeled)
2 tsp Green Pepper, chopped
1 tbsp chopped Onion
8 Stuffed Olives, sliced
1/4 c grated American Cheese or a Mexican/Spanish cheese of choice

Preheat oven to 375 DF. Melt the butter and stir in the flour, salt, pepper, and mustard. Gradually add the milk, and stir to make a well-blended sauce.
Add the potatoes, green pepper, onion and olives. Place in a well buttered casserole dish. Top with cheese. Bake until the cheese has browned on the top.

Serves 4