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