Skillet BBQ Chicken

1/2 cup Ketchup
1/2 cup finely chopped onion
1/2 cup water
2 TBS oil
2 TBS vinegar
2 TBS brown sugar
1 tsp. worcestershire sauce
1 tsp. salt
1/2 tsp. pepper
1 tsp. celery seed

Combine ingredients in frying pan, or electric fry pan.
Add 4 chicken breasts, or the equivelent in strips.
Cook over medium heat a few minutes to get it simmering,
then cover and simmer on low for 30 minutes.