01 - Heat the oven to 400°F. Line a baking sheet with parchment paper or lightly grease it.
02 - Combine softened butter, chopped dill, minced garlic, lemon zest, lemon juice, salt, and black pepper in a small bowl. Mix thoroughly.
03 - Place salmon fillets skin-side down if applicable on the prepared baking sheet.
04 - Evenly spread the dill butter over the top of each salmon fillet.
05 - Bake salmon for 15 to 18 minutes, until it flakes easily and reaches an internal temperature of 145°F.
06 - Remove from oven and let the fillets rest for 2 minutes.
07 - Garnish with lemon wedges and fresh dill sprigs if desired. Serve immediately.