Soak the red onion in iced water while you prepare the rest of the ingredients
Cut the watermelon into bite sized pieces.
Smash the Kalamata olives, remove the pit, tear the olive in half
Arrange the watermelon, olives, banana peppers and red onion in a bowl or a plate
Drizzle with olive oil and balsamic vinegar
Shave Parmesan cheese over
Sprinkle chives over the top