01 - Preheat the oven to 400°F. Lightly grease a large baking dish or line it with parchment paper.
02 - Pat the fillets dry with paper towels and place them in a single layer in the baking dish.
03 - Season both sides of each fillet with salt and freshly ground black pepper.
04 - In a small bowl, whisk together melted butter, minced garlic, lemon juice, lemon zest, chopped parsley, and paprika until combined.
05 - Pour the lemon garlic butter evenly over the fillets, ensuring each piece is well coated.
06 - Bake for 15 to 20 minutes until the fish flakes easily with a fork and is opaque throughout.
07 - Remove from oven, garnish with additional parsley and lemon slices, and serve immediately.