Cheesy Potatoes

These are soooo good! I make these for every picnic I go to!

Ingredients:
Bag of frozen hash brown potatoes
1 tsp. salt
1/2 chopped onion (I usually use minced onion)
8 oz. sour cream
small jar of cheese whiz
1 can cream of chicken soup
1 cup corn flake crumbs
1/4 stick margarine

Preparation:
Spray 9 x 13 pan with Pam.
Place frozen hash browns in pan.
Mix all ingredients above except margarine, hash browns, and corn flake crumbs in pot and heat over low heat, stirring often, until everything is mixed and cheese is melted.
Pour or spoon over hash browns.
Melt margarine and mix with corn flake crumbs in a small bowl, and sprinkle on top of hash brown mixture.
Bake at 350 degrees for 1 1/2 to 2 hours uncovered.