These small, slender Japanese-style sweet potatoes are deep purple on the outside with creamy white flesh that turns slightly golden when roasted. Murasakis are known for their rich, chestnut-like flavor — sweet, nutty, and slightly dry, more like a dessert potato than a sugary orange variety. Their petite “finger” size makes them perfect for roasting whole, tossing on a sheet pan, or slicing into salads.