Butternut squash is an excellent source of vitamins A and C and some of the B vitamins.  It is also a great source of fiber, potassium, and magnesium.  It is fat free, cholesterol free and sodium free.  It has a rich golden-yellow flesh with an excellent smooth texture.  Butternut squash is a wonderful keeper.  Store whole squash at room temperature.  Wrap cut pieces in plastic; these may be kept in the refrigerator for up to five days.
To prepare, wash outside of squash thoroughly, cut in half lengthwise and remove seeds.  Butternut squash can be baked, roasted, steamed, braised, sauteed or pureed.  This is the perfect squash for soups and stews.