Butternut squash is one of the most common varieties of winter squash. It also offers a good supply of vitamin A, potassium, and fiber. Contrary to the name, winter squash is grown in the summer and harvested in the fall. Its thick, tough exterior and firm flesh make it suitable for storing over several months. The long neck of the Butternut squash contains a solid orange, dense, and moist flesh and in the bulbous end, there is a small hollow seed cavity with stringy pulp and a few flat, cream-colored seeds. When cooked, the flesh of the Butternut squash becomes tender and offers a mild squash flavor with sweet and nutty nuances.