Mashed cooked squash can be kept frozen for 6 months. The Varieties Acorn is probably the most familiar among home cooks. It is the smallest of the squashes, with a deep seed cavity ideal for stuffing. An average-size acorn squash will be enough for two servings. Butternut has a smooth skin and looks like a tan elongated pear.
Butternuts have a moist sweet orange pulp.
Hubbard squash has a football shape. It is lumpy skinned, with colors ranging from dark green, light-grey blue, creamy white or pumpkin colored in appearance. All varieties have a bright yellow pulp. They range in weight from 3 to 8 pounds. Turkish Turban is the most colorful of all the squashes, featuring a bright orange rind with deep green, white, and yellow splashes.