01 - Set oven to 425°F and 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 sprouts cut side down in a single layer on the prepared baking sheet.
04 - Roast for 20 to 25 minutes, flipping halfway through, until edges are deep golden and crisp.
05 - Remove from oven and immediately drizzle with honey and optional balsamic vinegar. Toss to coat evenly.
06 - Transfer to a serving platter, sprinkle with flaky sea salt if desired, and serve warm.