01 - Preheat oven to 400°F and line a baking sheet with parchment paper or lightly grease it.
02 - Pat salmon fillets dry with paper towels, place on baking sheet, drizzle olive oil, and season with salt and pepper on both sides.
03 - Bake salmon for 12 to 15 minutes until opaque and easily flaked with a fork.
04 - In a small saucepan on medium heat, melt butter. Add minced garlic and sauté for 30 seconds until fragrant.
05 - Stir in dill, lemon zest, lemon juice, salt, and pepper. Cook for 1 additional minute, then remove from heat.
06 - Transfer salmon to plates, spoon warm lemon dill butter sauce over each fillet, garnish with lemon slices and extra dill if desired, and serve immediately.