6 red potatoes, boil, cool and shred
1/4 cup butter
2 cups grated cheddar sharp
1/4 cup onion chopped fine
1 tsp salt
1/4 tsp pepper
1 1/2 cup sour cream
Melt butter, add cheese, melt. Add onion, remove from heat, add sour cream, salt (optional), pepper.
Mix with potatoes. Bake 25 minutes in casserole. Dot with butter, garnish as you like.