Preheat oven to 400ºF. Line a baking sheet with foil and lay 8 slices of bacon on foil. Bake bacon 7-9 minutes, depending on how crispy you prefer your bacon to be in the end. Remove partially cooked bacon from oven.
Turn down the oven to 375ºF. Butterfly chicken breasts by starting at the thicker end and cut through the middle, being careful to not cut all the way through. The chicken will be able to open like a book or butterfly with 2 thinner sides. Place 1/2 cup cheese on one side of the chicken and then fold the top over it. Season the top of the closed chicken with salt and pepper.
Move the bacon to one side of the baking sheet. Transfer stuffed chicken breasts to a baking sheet. Lay the pieces of bacon over the top of each chicken breast, wrapping the bacon around and tucking the ends underneath. Brush on part of the BBQ sauce all over the top and sides.
Bake for 15 minutes. Remove from oven and baste with more BBQ sauce. Bake for 10-15 minutes more, or until chicken reaches an internal temperature of 160ºF. To make bacon crispier broil 1-2 minutes. the because BBQ sauce can burn quick!
