Preheat oven to 425°F (220°C).
Wash Brussels sprouts thoroughly under cold water.
Trim stems and remove outer leaves.
Cut Brussels sprouts in half lengthwise.
Place halved sprouts in mixing bowl.
Drizzle olive oil over Brussels sprouts.
Add salt and pepper to bowl.
Toss everything together until evenly coated.
Spread sprouts on baking sheet.
Roast for 15-20 minutes until tender.
Mix honey, balsamic vinegar, and garlic.
Drizzle honey mixture over roasted sprouts.
Return to oven for 5 minutes.
Serve immediately while hot and glossy.