01 - Preheat the oven to 400°F. Line a baking sheet with parchment paper or lightly grease it.
02 - Place salmon fillets evenly on the prepared baking sheet.
03 - In a small bowl, combine olive oil, lemon juice, lemon zest, minced garlic, thyme, salt, and black pepper.
04 - Brush the marinade evenly over each salmon fillet.
05 - Lay thin lemon slices atop each fillet for enhanced flavor.
06 - Bake for 15 to 18 minutes, until the salmon flakes easily with a fork and is opaque at the center.
07 - Remove from oven, let rest for 2 minutes, then garnish with chopped parsley if desired and serve immediately.