Cheesy Ham & Potatoes

1 24-ounce bag frozen shredded hash browns
1/2 cup minced onion
2 10.75-ounce cans cream of celery soup
1 8-ounce package cream cheese
1 1/2 cups Monterey Jack cheese, shredded
1 1/2 cups cubed ham
1/4 t pepper
Soften cream cheese and cream together with soup. Stir in onions, ham, Jack cheese and pepper. Break apart hash browns. Gently stir into cheese mixture. Place in gallon freezer bag. Label and freeze.
To serve: Thaw. Place in greased baking dish. Bake covered for 1 hour at 350°. Uncover and top with shredded Cheddar cheese. Return to oven until cheese is melted.