Citroen has a wonderful hint of citrus in the flavor with the same smooth taste as regular Ketel One. Prized for its smooth taste, Ketel One starts with the finest wheat and water. As the distillate is heated over a gentle, hand-stoked fire, the temperature and alcohol levels are regulated to ensure the best possible vodka. Not surprisingly, Ketel One has a developed a passionate following among vodka connoisseurs.