Just keep it warm. Invite your friends to keep you company in the kitchen, they ll do it. Unfortunately, this soup must be flamed in 4 batches, but that s okay because it is easy, cheap, and really great. Be careful not to let this burn. Add the gin and flame with a long match.
Gin is extremely flammable so be really careful.
This is the reason you can only make 2 servings at a time. When flames subside add tomato juice. Then start over 3 more times. Garnish the soup with a dollop of sour cream. Add onion and tomatoes and let mixture stand at room temperature until serving time.