In a bowl, combine together the flour, salt, and pepper.
Add 1/2 cup of the buttermilk to a bowl.
Pour the melted butter into a 9x13 inch baking dish.
Dip each piece of chicken into the buttermilk. Then place each piece in the flour mixture and coat well.
Place the coated chicken pieces into the buttered 9 x 13 pan.
Bake at 375 degrees for 30 minutes. Flip pieces of chicken over and cook for another 15 minutes.
In a bowl, combine the remaining 2 cups of buttermilk with the 2 cans of cream of chicken soup. Pour the mixture around the chicken and cook for 15-20 minutes until hot and bubbly. Serve over cooked rice or with mashed potatoes. Serves 6.