01 -
Preheat the oven to 400°F (200°C) and grease a baking dish with olive oil.
02 -
In a bowl, mix cherry tomatoes, sliced red onion, Kalamata olives, olive oil, lemon juice, oregano, salt, and pepper until evenly coated.
03 -
Place salmon fillets skin-side down in the baking dish and surround them with the vegetable mixture. Drizzle additional olive oil over the salmon.
04 -
Bake for 15-20 minutes, or until the salmon flakes easily with a fork.
05 -
Sprinkle chopped basil on top before serving.