Potato Casserole - cooking recipe

Ingredients

7 medium size potatoes
1/2 c. butter
2 pkg. shredded cheese
1/4 c. dried chives
1/2 c. chopped onion
1 pt. sour cream
1/4 tsp. pepper
1 tsp. salt

Preparation

Peel and cook 7 medium-sized potatoes.
Cook, drain and refrigerate.
Mash after chilled, but leave lumpy.