slow cooker barbecued chicken breasts

Ingredients For slow cooker barbecued chicken breasts

• 2 to 4

  chicken breasts, boneless and skinless
• 2/3 c

  ketchup
• 1 Tbsp

  apple cider vinegar
• 1/4 c

  butter, melted
• 1/4 c

  onion chopped
• 1 Tbsp

  brown sugar
• 1 Tbsp

  dijon mustard
• 1 Tbsp

  worcestershire sauce
• 1 Tbsp

  liquid smoke flavoring
• 1/4 tsp

  celery seed
• 1/4 tsp

  minced garlic
• 1/4 tsp

  pepper