01 - Set oven to 400°F. Line a baking sheet with parchment paper or apply a light grease.
02 - Pat the salmon fillets dry with paper towels, arrange on the baking sheet, drizzle with olive oil, then season both sides evenly with salt and black pepper.
03 - Place salmon in the oven and bake 12 to 15 minutes until the flesh is opaque and flakes easily with a fork.
04 - In a small saucepan over medium heat, melt the butter. Add minced garlic and sauté for 30 seconds until aromatic.
05 - Stir in chopped dill, lemon zest, lemon juice, salt, and pepper. Cook an additional minute, then remove from heat.
06 - Transfer salmon fillets to plates and drizzle with the warm lemon dill butter sauce. Garnish with lemon slices and extra dill if desired. Serve immediately.