How to Butterfly chicken breasts
First, you want to just lie your chicken breast flat on a cutting board surface. Next, you want to hold the chicken breast down with your non dominate hand and take your chefs knife with your dominate hand and begin slicing the chicken breast horizontally, take care to not cut yourself so be careful. Also, make sure you do not fully cut through the chicken breast because you want it to be butterflied. If you follow this incredibly quick and easy guide you'll have butterflying chicken breast down in no time.