Smash & mince the garlic
Wash the parsley and chop it fine
Cut the chicken into cubes
Salt & pepper the chicken, then coat with flour (at the last minute so it doesn't get gooey)
Heat up your pan, then add the butter and oil
Add the chicken and cook until done, not overdone, just a few minutes, stirring and checking regularly
Stir in the parsley/garlic mixture and cook another 20 seconds