01 - Preheat oven to 425°F. Line a baking sheet with parchment paper.
02 - In a large bowl, whisk together the olive oil, balsamic vinegar, honey, minced garlic, salt, and black pepper until well combined.
03 - Add the trimmed and halved Brussels sprouts to the bowl and toss thoroughly to ensure even coating with the glaze.
04 - Spread the Brussels sprouts cut-side down on the prepared baking sheet in a single, even layer to promote maximum caramelization.
05 - Roast for 22 to 25 minutes, stirring once halfway through, until the sprouts are golden brown with crispy, charred edges.
06 - Transfer the roasted sprouts to a serving dish. Drizzle with any remaining glaze from the pan and toss gently. Garnish with toasted nuts and Parmesan cheese if desired. Serve immediately.