6 Idaho potatoes (2 1/2 lb.)
1/2 c. butter or oleo
3/4 c. water
1 pkg. dry onion soup mix
Cut unpeeled potatoes into 1/4-inch slices. Next butter and water.
Add onion soup mix; layer potatoes and liquid into a 2 quart casserole.
Bake covered at 350 degrees for 1 hour.
Will hold in oven indefinitely. They are very good the next day.