8 lg. spuds, cooked
2 tbsp. onion salt
1 pt. sour cream
4 tbsp. butter
1 c. Cheddar cheese, grated

Mash spuds with onion salt, sour cream; add butter. Place in a 2 quart dish. Top with cheese. Refrigerate overnight. Bake at 350 degrees for 1 hour.