Combine the salsa ingredients in a bowl and allow the flavors to combine by allowing it to sit for a couple of hours.
Preheat the oven to 350 degrees Fahrenheit.
Brush the chicken with olive oil and seasoning. Heat a grill pan or barbecue to hot then add the chicken to sear on one side for a two minutes. Turn the chicken and sear it on the other side for another two minutes. Place the chicken on a baking tray and place it in the oven to cook through for between 8 to 10 minutes.
Serve the chicken with the salsa on the top with an accompanying green salad.