01 - Heat oven to 400°F. Line a baking dish with parchment paper or lightly grease.
02 - Place salmon fillets evenly in the prepared baking dish.
03 - Whisk olive oil, lemon juice, lemon zest, salt, and black pepper together in a small bowl.
04 - Brush the marinade evenly over each salmon fillet.
05 - Sprinkle capers and chopped dill over the fillets, then top each with one or two lemon slices.
06 - Bake salmon for 15 to 18 minutes, until it flakes easily and reaches an internal temperature of 145°F.
07 - Garnish with additional fresh dill and serve immediately.