In an oven safe dish, place the cherry tomatoes, green peppers, red onions, feta cheese, kalamata olives, garlic, half the salt and half the oregano oregano. Pour the olive oil on top, and toss until well combined.
Place the salmon in the middle of the baking dish surrounded by all the vegetables. Add the remaining oregano and crushed red pepper on top of the salmon. Drizzle more olive oil if desired.
Bake in the preheated oven for 15 minutes, until the tomatoes soften and the salmon is cooked through.
Add fresh basil leaves and serve with a side of your choice, if desired
Notes
Storage: Leftovers will keep well covered in the fridge for up to 4 days and can be reheated in the oven.