Slice the chicken breasts 3/4 of the way horizontally so that it opens like a book. Cover the chicken breasts with parchment paper or plastic wrap, then pound until 1/4 inch thick and even in thickness.
In a large flat bowl mix the bread crumbs with garlic powder, paprika, onion powder and salt. Place the flour on the left. The bowl with egg wash in the middle. And the bowl w breadcrumbs on the right. Dip the chicken in the flour, then the egg, then the panko. Set onto a plate and repeat with the other breast. Place the plate in the fridge and let the coating set as you work on the butter.
Heat a small sauce pan on medium low heat. Add the butter, garlic, shallot, peppers and lime juice. Season with salt. Let the butter infuse (uncovered) as you work on the chicken.
Heat a large stainless steal rondeau on high heat and season with avocado oil. Once the oil is 350 degrees F, add the chicken and fry until golden brown and 165 degrees internally. Serve immediately and drizzle garlic pepper butter on top. Top with cilantro leaves.