Thaw Brussels sprouts until warm but not hot. Drain and set aside.
How to Thaw in the Microwave: Place Brussels sprouts in a microwave-safe container. Add water. Cover. Microwave until broccoli until thawed but not hot, about two minutes.
How to Thaw on the Stovetop: Heat ½-inch of water in a medium pan. Add the brussels sprouts. Heat until thawed, about three minutes.
Optional: Add parmesan cheese or a drizzle of balsamic vinegar to taste.
Serve warm. Brussels sprouts are best enjoyed the day they are made. Store leftovers covered in the refrigerator for up to two days. Reheat in the microwave or on the stovetop in a saute pan until heated through.