Cheesy Ham and Hashbrowns

2 lb. bag of hashbrowns, thawed
1-2 cups ham, cut into small pieces (can use leftovers)
2 cans cheddar cheese soup, plus 1 can milk
1 c. shredded cheddar cheese

Preheat oven to 375°. Mix all ingredients together and bake for 45-60 minutes, or until potatoes are tender.