01 - Preheat oven to 400°F. Line a baking sheet with parchment paper or grease lightly.
02 - Pat salmon fillets dry with paper towels. Arrange on prepared baking sheet. Drizzle with olive oil and season both sides with salt and pepper.
03 - Bake salmon for 12 to 15 minutes, depending on thickness, until just opaque and flakes easily with a fork.
04 - In a small saucepan over medium heat, melt butter. Add minced garlic and sauté for 30 seconds until fragrant.
05 - Stir in fresh dill, lemon zest, lemon juice, salt, and pepper. Cook for 1 more minute, then remove from heat.
06 - Transfer baked salmon to serving plates. Spoon warm lemon dill butter sauce over each fillet. Garnish with lemon slices and extra dill if desired. Serve immediately.