1 (24 oz.) frozen hash brown potatoes, shredded and thawed
1 onion, minced
1 1/2 c. shredded Cheddar cheese
2 c. chopped ham
1 1/2 c. shredded Mozzarella cheese

Layer ingredients in greased 9x13 pan.

Beat:

3 eggs
1 c. milk
1/2 tsp. salt

Beat and pour over layers in pan. Chill covered 3 hours or overnight. Bake uncovered, 350, 1 hour. Let stand 10 minutes before serving.