Steps
1. Preheat oven to 375 F.
2. Place the fish fillet on a sheet pan lined with parchment paper and season with salt and pepper.
3. Heat the olive oil in a large skillet over medium-high heat and sauté the minced red onion until soft and lightly browned.
4. In a medium bowl, combine sautéed onion with the chopped parsley.
5. Spoon the onion and parsley mixture onto the fillet and spread out evenly.
6. Wrap the prosciutto around the fish until it is completely coated.
7. Place the sheet pan in the oven and bake for 10-15 minutes or until the fish is cooked through.
8. Serve the fish with a side of grilled or steamed vegetables.