Cream of spinach soup

1/2 lb spinach
1/2 chopped onion
3 small potatoes
1 can chicken stock
1/2 cup cream
1/2 can water

1. Cut up potatoes and onions and cook with broth and water for about 15 minutes.
2. Throw in spinach and cook for two more minutes.
3. Take out the solid stuff and put them in the blender
4. Pour the puree back to the broth
5. Add in cream