Ham 'N' Cheese Potato Bake

1 pkg (24 ounces) frozen O'Brien hash brown potatoes
2 cups cubed fully cooked ham
3/4 cup shredded cheddar cheese, divided
1 small onion, chopped
2 cups (16 ounces) sour cream
1 can (10 and 3/4 ounces) condensed cheddar cheese soup, undiluted
1 can (10 and 3/4 ounces) condensed cream of potato soup, undiluted
1/4 teaspoon pepper

In a large bowl, combine potatoes, ham, 1/2 cup cheese and onion.  In another bowl, combine sour cream, soups, and pepper;  Add to potato mixture and mix well.  Transfer to a greased 3 qt. baking dish.  Sprinkle with remaining cheese.  Bake, uncovered, at 350 for 60 to 65 minutes or until bubbly and potatoes are tender.  Let stand for 10 minutes before serving.
Yield: 10-12 servings.