4 chicken breasts
nonstick cooking spray
1 cup ketchup
1 (12 ounce) can diet cola (I hear diet orange soda works well also)

1  Spray your pan with cooking spray.
2  Place chicken breasts in pan.
3  Brown lightly on each side.
4  Mix Ketchup and Diet Cola together.
5  Pour over chicken.
6  Cook for about 45 minutes or until chicken is tender.
7  Very Yummy!

source:   http://www.food.com/recipe/diet-cola-chicken-30745