Preheat oven to 350
Carefully slice chicken breasts in half, butterflying them.
spoon in 1/2 cup macaroni and cheese
add in shredded cheese
carefully place top half of chicken back over toppings
wrap in bacon
bake at 350 for 30 minutes until chicken is 155 degrees (you don't want to overcook it under the broiler in the next steps, but you want it to be close to temp)
turn broiler to high
bake under broiler for 8 minutes, or until bacon is very crisp
flip chicken, cook other side until very crisp
let rest for 5 minutes before serving
enjoy!