Chicken Cordon Bleu Casserole

6-8 boneless chicken breasts (to cover a 9×13 pan)
 6-8 ham slices
 6-8 swiss cheese slices
 2 cans cream of chicken soup
 1 cup sour cream
 1 tsp lemon juice
 2-3 cups slightly crushed corn flakes

 Preheat oven to 375. Grease pan. Pound chicken breasts until flattened. Put chicken in pan, making sure to cover the whole pan. Place ham slices on top of chicken, then swiss cheese slices on top of ham. Set pan aside. In a bowl, combine soup, sour cream and lemon juice. Pour soup mixture on top of swiss cheese evenly. Sprinkly corn flakes on top of soup mixture. Place in oven and bake for 1 hour.