Purée was the product of a cooking technique.
Neelix prepared a seven-layer Jiballian fudge cake with icing made of puréed L'maki nuts for Kes' second birthday in 2371. (VOY: "Twisted")
In an alternate 2374, Neelix puréed and mixed ration cubes with Talaxian spices and water to create his "elixir of endurance". (VOY: "Year of Hell")