Dice the tomatoes, artichokes, and green onions.
Combine the chopped veggies in a bowl with 1/2 cup feta, olive oil, and greek seasoning and mix well to combine the flavors.
Lay your chicken breasts in a 9x13 baking dish sprayed with baking spray.
Spread the veggie mixture over top of the chicken breasts evenly and sprinkle the remaining feta cheese over the top.
Bake in a preheated oven at 350?F for 40-50 minutes or until the chicken is done and the juices run clear.
Serve hot over rice or on top of pita bread.