01 - Preheat the oven to 400°F. Line a baking sheet with parchment paper or lightly grease it.
02 - Pat salmon fillets dry with paper towels and place them skin-side down on the prepared baking sheet.
03 - Drizzle olive oil evenly over each salmon fillet.
04 - Sprinkle lemon pepper seasoning, salt, and freshly ground black pepper evenly over the salmon.
05 - Arrange thin lemon slices on top of each fillet.
06 - Bake in the oven for 12 to 15 minutes, until the salmon flakes easily with a fork and is cooked through.
07 - Remove from oven, garnish with chopped fresh parsley if desired, and serve immediately.