Heat the oil in heavy bottomed soup pot. Add the onions, carrots, and celery and saute until the onions are translucent. Add the ground cumin and coriander seed and stir with vegetables for about 2 minutes. Add the stock and bring to boil. Turn down to simmer, and add the diced potatoes and thyme. When potatoes are soft, add the asparagus and frozen spinach and simmer for about 10 minutes until asparagus is fully cooked but still green. Puree soup in a blender or food processor and return to the soup pot. Add cream and lemon rind, bring to a boil, and then turn down to a simmer. Season with salt and pepper and serve with toasted croutons, if desired
This recipe was provided by a chef, restaurant or culinary professional. It has not been tested for home use.