01 - Set oven to 400°F (205°C) and allow it to fully preheat.
02 - Line a large sheet pan with parchment paper or lightly grease with olive oil.
03 - Place salmon fillets, skin side down, in the center of the baking sheet. Arrange asparagus evenly around the fish.
04 - Whisk olive oil, lemon juice, lemon zest, minced garlic, sea salt, black pepper, and dried oregano in a small bowl until well blended.
05 - Evenly drizzle marinade over the salmon and asparagus, gently tossing asparagus to ensure even coverage.
06 - Bake in preheated oven for 14-16 minutes, or until salmon flakes easily with a fork and asparagus is just tender.
07 - Sprinkle chopped parsley over salmon and serve immediately with fresh lemon wedges.