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.
Bring mixture to a boil. 4 Add beet greens, cook until tender, add vinegar: Add the beet greens, gently toss in the onion mixture so the greens are well coated. Reduce heat to low, cover and simmer for 5-15 minutes until the greens are tender. Stir in the vinegar.