32 oz. pkg. frozen hash browns, thawed
16 oz. sour cream (I use less)
1 can cream of mushroom soup
1 sm. onion, diced
1/2 tsp. salt
2 c. corn flakes
1/2 c. melted butter
2 c. Velveeta cheese, cubed
1 c. shredded Mozzarella

Mix 6 ingredients in a large bowl and spoon into a greased 9x13 inch baking dish. Top with Mozzarella cheese. Combine corn flakes and butter, sprinkle over cheese. Bake 1 hour in preheated 350 degree oven. Can be frozen.