Preheat oven to 350 degrees F. Put 1/3 of the frozen potatoes in a 13x9 inch dish. Add chopped onion. Put in rest of potatoes and add pepper. Melt together cheese and butter in microwave. Whisk until smooth. Whisk in milk. Pour over potatoes and cover pan w/foil. Bake for 1 hour. Remove foil and bake 30 minutes.
By Me from LA
Temp. 450 F - Time: 20 minutes
Combine potatoes, white sauce, salt and pepper to taste. Pour into a greased casserole. Sprinkle grated cheese and bread crumbs over the top and brown in a preheated oven.
By Roberta
Delmonico Potatoes
Preheat oven to 350.
Put 1/2 of the frozen potatoes in a 13 x 9 dish.
Put onion on that & sprinkle on pepper.
Put the last of the potatoes on top.
Melt together cheese & butter.
When melted, blend in cream.
Pour over potatoes & cover pan w/foil.
Bake for 1 hr. Remove foil & bake 15 mins.
By Vicki
I forgot to add that you need to melt the cheese & butter (microwave) before you whisk it.
Editor's Note: Thanks! I added it.