Easy Barbeque Chicken and Red Potatoes

4 skinless, boneless chicken breast halves

1 Vidalia onion, sliced

1 pound sliced fresh mushrooms

8 red potatoes, sliced 1/2 inch thick

1 (18 ounce) bottle barbeque sauce

Preheat oven to 350 degrees F (175 degrees C).

Place chicken breasts, onion, mushrooms and potatoes in a lightly greased 9x13 inch baking dish and cover all with sauce.

Cover dish and bake for 1 hour.