HAM AND CHEESE HASH BROWN CASSEROLE

HAM AND CHEESE HASH BROWN CASSEROLE 1 (32-oz) package frozen hash brown potatoes 1 pound cooked diced ham 2 (10.75-oz) cans condensed cream of potato soup 1 (16-oz) container sour cream 2 cups shredded sharp Cheddar cheese 1-1/2 cups grated Parmesan cheese Preheat oven to 375 degrees. Lightly grease a 9x13 inch baking dish with cooking spray. In a large bowl, mix together hash browns, ham, cream of potato soup, sour cream, and cheddar cheese. Spread into prepared pan. Sprinkle with Parmesan cheese. Bake uncovered 1 hour , or until bubbly and lightly brown.