01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - In a large bowl, toss Brussels sprouts with olive oil, sea salt, and black pepper until evenly coated.
03 - Place Brussels sprouts cut-side down on the prepared baking sheet in a single layer.
04 - Roast for 20 to 25 minutes, stirring once halfway through, until edges are crisp and golden brown.
05 - While roasting, combine balsamic vinegar and honey in a small saucepan over medium heat. Bring to a simmer and cook, stirring occasionally, until reduced by half and syrupy, about 6 to 8 minutes.
06 - Transfer roasted Brussels sprouts to a serving platter. Drizzle with balsamic glaze and serve immediately.