This can be made up ahead of time.
I waited until I out it in the oven to top w chips.
I also added 1 can green chilies, black olives
and cooked crumbled sausage
The basic recipe
2 lbs frozen hash browns
1/2 C Diced onions
1 can cheddar cheese soup or any cream of soup like chicken
1 lg container sour cream
1 C shredded cheese
1 stick of margarine or butter
Mix all ingredients in a lg bowl
and turn into a 9x13 in pan
Top with 1 C crushed potato chips
Bake at 375 for 1 hr