Boiron Frozen Rhubarb Puree is made 100% from Rhubarb with no added sugar or any other ingredients. The flavor characteristics of this puree are as versatile as it is in application. With this puree, crafting anything from cocktails to desserts is simple. This rhubarb puree can be used in glazes, simple syrups, sabayon, meringues, pastry creams.