Place chicken breast between two pieces of waxed paper and pound to an even thickness.
Trim off fat and sprinkle with a bit of salt and pepper.
Salt carefully because the topping is very salty.
Heat a saute pan over medium-high heat and add olive oil
Saute chicken four to five minutes on each side until cooked through. Cover with splatter screen if you have one.
Stir feta, tomatoes and olives together in a small bowl.
When chicken is cooked, top each chicken breast some topping, place lid on and let it warm the topping for a minute.