Make Ahead Mashed Potatoes

9 medium potatoes - pared
4 T butter
1 1/2 cup sour cream
1 1/2 t. salt
1/4 t. pepper
1/4 c. bread crumbs
1 T melted butter

Cook potatoes in boiling water until tender - drain.

Combine potatoes, sour cream butter - salt and pepper in electric mixing bowl. Blend on low speed until blended. Blend at high speed until fluffy.

Pile in buttered 2 qt casserole. Cover and refridgerate over night.

Bake covered at 325 for one hour.

Mix bread crumbs with 1 T melted butter. Sprinkle over potatoes. Bake uncovered 30 minutes.