2Heat the olive oil in a large pot over medium heat.
Add the diced onions and minced garlic to the pot. Sauté until the onions are translucent, about 5 minutes.
Add the diced carrots and cooked, diced beetroot to the pot. Stir well to combine.
Pour in the tomato juice and bring the mixture to a boil.
Reduce the heat to low and let the soup simmer for 20-25 minutes, or until the vegetables are tender.
Season the soup with salt and black pepper to taste.
Use an immersion blender to puree the soup until smooth, or transfer the soup to a blender in batches and blend until smooth.
Serve the Vampire Blood Soup hot, garnished with a dollop of sour cream or a sprinkle of fresh herbs if desired.