Clean and slice the chicken in half - lengthwise (4 filets). Optional: Use a meat pounder to tenderize the each chicken to an even ⅓" thick.
Season both sides of the breasts with salt & pepper. Place the flour in a shallow bowl. Coat both sides of the chicken with flour, then gently shake off the excess.
Heat the pan up to medium-high. Add 2 tbsp butter (wait until it melts). Add chicken breasts and cook for 3-4 minutes per-side or until lightly golden brown. Depending on the size of the pan, you may need to do this is 2 batches. Remove breast and set aside.
Add butter and wait for 30 seconds. Add garlic, soy sauce, honey, vinegar and mix. Return chicken to the pan. Cook for 2-3 minutes or until the sauce has reduced by about half. Flip the chicken every minute or so to get a good coat of sauce.