01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or lightly grease it.
02 - Arrange salmon fillets, skin-side down, on the prepared baking sheet.
03 - In a small bowl, mix melted butter, minced garlic, lemon juice, lemon zest, parsley, salt, and pepper until well combined.
04 - Spoon garlic butter mixture evenly over each salmon fillet.
05 - Bake for 12-15 minutes until salmon is opaque and flakes easily with a fork (internal temperature reaches 145°F).
06 - Remove from oven, garnish with lemon slices and extra parsley if desired. Serve immediately with preferred sides.