This BBQ crock pot chicken recipe is a classic dish that is perfect for a summer barbecue or a weeknight dinner. The chicken is cooked in a homemade BBQ sauce that is made with ketchup, brown sugar, vinegar, and spices. The result is a tender and juicy chicken that is coated in a delicious sauce. Serve it on a bun with coleslaw for a classic BBQ sandwich or with a side of vegetables for a complete meal.