01 - Preheat oven to 425°F. Line a rimmed baking sheet with parchment paper for easy cleanup.
02 - Arrange trimmed asparagus spears in a single layer on the prepared baking sheet. Drizzle olive oil evenly over the spears, then sprinkle with kosher salt and black pepper. Toss gently to coat thoroughly.
03 - Place baking sheet in the preheated oven and roast for 12 to 15 minutes, until asparagus is tender-crisp and edges are lightly caramelized. Shake the pan halfway through cooking to ensure even browning.
04 - While asparagus roasts, combine balsamic vinegar and honey (or maple syrup) in a small saucepan. Bring to a gentle simmer over medium heat. Cook, stirring occasionally, until the mixture reduces by half and achieves a syrupy consistency, approximately 5 to 7 minutes.
05 - Transfer roasted asparagus to a serving platter. Drizzle the warm balsamic glaze generously over the spears. Serve immediately while hot.