Potato Dish - cooking recipe

Ingredients

4 lb. potatoes, cooked, cool, then grated (do not overcook potatoes)
1 pt. sour cream
2 cans celery soup
1 1/2 c. cheese, grated
1/4 c. sauteed onions
3 Tbsp. butter plus
1 c. bread crumbs

Preparation

Mix all together, then add onions sauteed in butter.
Put in 9 x 13-inch dish, top with bread crumbs in 3 tablespoons butter. Bake at 350\u00b0 for 1 hour.