To steam in the microwave.
Place rinsed vegetables in a microwave-safe bowl, add 4-6 tbsp. of water. Cover with a microwave-safe lid or plastic wrap, leaving a small opening to vent.
Microwave on high for 5 minutes* or until tender.
*Due to differences in microwave ovens, heating times may vary.
To steam on the stovetop:
Fill a pot with enough water to reach the base of a fitted steam basket. Cook over high heat until water comes to a boil. Add rinsed vegetables and cover with a loose fitting lid or angle slightly so steam can escape. Steam for 5-10 minutes or until tender.
Blanch or steam lightly. Place Brussels sprouts in an airtight container and cool in freezer. Once frozen, use within one month.