Cut each chicken breast into three pieces of even thickness (cut off tail end as one piece then slit other piece through the middle) Coat with flour shaking off any excess Set large skillet over a medium heat, when hot add the 2 Tbsp olive oil and the 1 Tbsp butter.
When the butter is sizzling add the chicken.
Cook for about 5 minutes each side until golden and cooked through.
Transfer chicken to a warmed plate when done, season with salt and pepper.
Let pan cool a little, if the pan is dry add the extra virgin olive oil (if pan has oily residue you wont need to) Add the garlic, cook for a few minutes, then add the olives marjoram and tomatoes.
Cook for 2-3 minutes, then add the marsala and let mixture bubble up.