The jewel sweet potato, with its copper skin and deep-orange flesh, is probably what you think of when you think sweet potato. It’s traditionally used for baking and casseroles, especially around holidays. But there are also sweet potatoes, such as the hannah variety, that doesn’t have an orange interior at all. We’d bet you’ve never heard of a speckled purple sweet potato either. It’s never too late to become well-acquainted with these lovable spuds.