Heritage: Introduced in New York City in 1894; newly popular for its versatility and striking appearance. Flavor: A combination of corn, butternut squash, and sweet potato. Try it: Unlike other winter squash, skin is thin enough that it becomes tender when cooked and can be eaten. Delicata has a creamy-white or yellow ridged skin that's highlighted with green streaks. Its soft flesh has a delicate, very sweet flavor (which some compare to a sweet corn). The thin rind is edible, particularly...