Step 1

Preheat the oven to 350°F.

Step 2

Heat the olive oil in a saute pan large enough to hold the snapper fillets, over medium heat. Add the onion and cook until it starts to soften, about 5 minutes. Add the olives and capers and continue cooking until onion is translucent 3-5 minutes.

Step 3

Lay the red snapper fillets skin side down in the pan, and add the marinara sauce and white wine. Season with salt and pepper to taste, and place the pan in the oven.

Step 4

Bake in the oven until fish is cooked through, about 15-20 minutes. Using a spatula, carefully transfer fish to serving plates, spoon sauce over fish and serve.