To make a soup, butternut squash is pureed or mashed. It is also used to make casseroles, muffins and bread. It should be a part of a regular diet, for it is rich in vitamin C, magnesium, potassium, vitamin A and vitamin E. It is also rich in fiber. In this write up, we will learn how to make butternut squash soup for vegans. It is easy to make and makes for a meal in itself.