Preheat your oven to 425°F (220°C).
Trim the ends of the Brussels sprouts and slice them in half. Pat them completely dry with a paper towel.
In a large bowl, toss the halved Brussels sprouts with olive oil, salt, and freshly ground black pepper until evenly coated.
Spread the seasoned Brussels sprouts cut-side down on a parchment-lined baking sheet.
Roast in the preheated oven for about 20-25 minutes, flipping halfway through.
While the Brussels sprouts are roasting, prepare the glaze by combining balsamic vinegar and honey in a small saucepan over medium heat.
Once the Brussels sprouts are roasted, toss them in the warm balsamic glaze.