To just quickly warm the bottle or prepare a puree: NUK has many products which help make your everyday routine easier and simplify the preparation of fresh baby food. Various baby food warmers can heat up milk and puree, both gently and quickly. The NUK Baby Menu cooks and purees fresh ingredients for the first puree or smoothie. There are also storage containers that can be used for either freezing the puree or conjuring it into healthy ice lollies.