01 - Preheat the oven to 400°F. Line a baking sheet with parchment paper or lightly grease with oil.
02 - Place the salmon fillets on the prepared baking sheet, spaced evenly apart.
03 - In a small bowl, whisk together the melted butter, garlic, lemon juice, lemon zest, parsley, salt, black pepper, and red pepper flakes if using.
04 - Spoon or brush the lemon-garlic butter mixture generously over each salmon fillet.
05 - Bake for 12–15 minutes, or until the salmon flakes easily with a fork and is opaque in the center.
06 - Remove from the oven. Garnish with additional parsley and serve with lemon wedges.