01 - Preheat oven to 400°F and line a baking dish with parchment paper or lightly grease with olive oil.
02 - Pat fish fillets dry with paper towels and place evenly in the prepared baking dish.
03 - In a small bowl, whisk together olive oil, lemon juice, minced garlic, oregano, salt, and black pepper until combined.
04 - Drizzle the marinade evenly over the fish fillets, ensuring thorough coverage.
05 - Bake in the preheated oven for 15 to 20 minutes, or until the fish flakes easily with a fork and is opaque throughout.
06 - Remove from oven, sprinkle with chopped parsley, and serve immediately with lemon wedges.