01 - Position oven rack to center position and preheat oven to 400°F. Line a large rimmed baking sheet with parchment paper or aluminum foil for effortless cleanup.
02 - In a small mixing bowl, whisk together olive oil, fresh lemon juice, lemon zest, minced garlic, dried oregano, dried thyme, kosher salt, and black pepper until fully emulsified.
03 - Arrange trimmed asparagus and halved cherry tomatoes on the prepared baking sheet. Drizzle half the marinade over vegetables and toss gently to coat evenly. Spread in a single layer, reserving one-third of the sheet for the salmon fillets.
04 - Place salmon fillets on the baking sheet, skin-side down. Brush the remaining marinade generously over the tops of each fillet, ensuring full coverage.
05 - Transfer baking sheet to preheated oven and roast for 15 to 18 minutes. The salmon is done when the flesh turns opaque and flakes easily when tested with a fork, and vegetables are tender-crisp.
06 - Remove from oven and immediately sprinkle with fresh chopped parsley. Transfer to serving plates and accompany with lemon wedges for squeezing over the finished dish.