• 1 cup ketchup
• 1/4 cup vinegar
• 1/2 cup chopped onions
• 1/2 cup maple syrup
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1 tablespoon liquid smoke
• 1 tablespoon mustard
• 1 1/2 tablespoons Worcestershire sauce

Mix all ingredients together and pour over chicken in crockpot. Turn crockpot on high for 4 hours. Serve.