6 potatoes 1 onion, sliced
2 c. cheddar cheese, grated 3/4 c. mayonnaise
1/4 c. margarine 2 T. milk
Preheat oven to 400F. Peel, quarter, cook and mash potatoes. Add milk
and margarine, and mash well. Stir in onions. Place in buttered casserole
dish. Mix cheese and mayonnaise, spread on top of potatoes. Bake 20 minutes
until brown and bubbly.