Lay the squash on its side, remove about ½ inch from the top and the bottom
Cut the squash just above the bulbous section that contains the seeds.
If the neck is extra-long, cut in half again across its hemisphere.
Stand each piece up on its cut end, and using a sharp knife, carefully peel a thin layer of the skin off from the top to the bottom. Repeat all the way around until cleaned
Cut the bulbous section in half and remove seeds by scooping with a spoon.
Cut the squash into desired shapes and sizes (cubed, circles, half circles, etc.)
Video
Notes
Storage: Store any cut butternut squash in a tightly sealed container in the refrigerator for up to five days. Whole, uncut squash can last up to three months in a cool, dark place.