Guevara Spinach Soup

1. Boil potatoes and tomato in separate pots of water until tender. When done, drain off the water but reserve 1 cup of the potato water before doing so.
2. Sauté finely chopped onion, chopped cilantro and garlic in a medium skillet over medium low heat until onions are caramelized.
3. In a blender, blend the fresh spinach, cooked potatoes, heavy cream, and 1 cup potato water (the water the potato was boiling in).
4. Pour the spinach mixture into a pot and cook over medium heat, stirring frequently.
5. Chop up the boiled tomato and add it to the onion, garlic and cilantro mixture. Then add the chicken concentrate and mix it in.
6. Slowly stir onion, garlic, etc. into the spinach mix and heat over medium heat until soup is at desired temperature.