This recipe would be fine for a quick and easy slow cooker meal. Certainly a huge help for a busy day. However, it really wouldn't be much different than just pouring on Sweet Baby Ray's barbecue sauce. I couldn't even detect a hint of the red pepper flakes, and Ray doesn't really need any extra sugar since it's quite sweet to begin with. Read More We have a 7 quart oval slow cooker and found about 5 hours on low was perfect (it ranges from 4-8 on the recipe, which I thought was a huge difference). Alternatively you can definitely smell when the chicken is ready to be checked.