1 pkg. (24 oz.) Ore-Ida O'Brian Potatoes
2 c. diced ham, trim fat
8 oz. shredded Cheddar cheese
8 oz. shredded Mozzarella cheese
3 eggs, beaten
1/2 tsp. salt
1 c. milk
1 med. diced onion

In a 9x13 pan put in potatoes. Spread with ham and cheese. Mix egg and milk. Pour over potatoes. Cover. Let stand at least 3 1/2 hours. Bake 1 hour at 350 degrees. Cut in squares.