This recipe is a Mediterranean-inspired dish that's full of flavor. The halibut is seasoned with salt and pepper, then pan-seared until golden brown. The tomato and olive relish is made by combining diced tomatoes, Kalamata olives, red onion, garlic, and parsley. The halibut is then served with the relish on top. It's a delicious and healthy meal that's perfect for a summer dinner party.