This is an easy to prepare thick and rich squash soup that can be shared with family and friends on chilly evenings or just about any time of year. If you like squash soup, you will love this thick and hearty version. This recipe is from Williams & Sonoma with direction to use their 32 oz. jar of Butternut Squash Puree. But you can make your own squash puree for this recipe or use frozen squash puree. Puree directions below. The prep time below includes the time for making the puree. Enjoy.