Containers may explode in the heat of a fire. Extinguishing Media: For small fires, use dry chemical, carbon dioxide, water spray or alcohol-resistant foam. fires, use water spray, fog, or alcohol-resistant foam. Use water spray to cool fire-exposed containers.
Blanch the greens (optional). This will preserve the bright, green color, but the beet greens will cook fine without it. Here's how to go about it: Prepare an ice bath: a bowl of cold water and ice. Submerge the greens in boiling water for one minute. Remove the greens with tongs or drain them into a strainer. Place them in the ice bath until cold.
Wash and sort according to size. Trim tops, leaving 1/2 inch of stems and tap root, to prevent bleeding of color during cooking. Cook in boiling water until tender-for small beets 25 to 30 minutes; for medium beets 45 to 50 minutes. Cool promptly in cold water. Peel, remove stem and tap root, and cut into slices or cubes. Package, leaving Â½-inch headspace. Seal and freeze.