Email to Amy Chicken: Cola Chicken Source of Recipe A1Cooking List of Ingredients 1 to 2 pounds chicken (whole) 1 cup ketchup 1 large onion, thinly sliced 1 cup coca cola Instructions Wash chicken and pat dry Salt and pepper to taste Put chicken in crockpot with the onions on top. Add coca cola and ketchup. Cook 6 to 8 hours on low.