Doctors Willy and Marie Demuth established the Katlenburger wineworks in 1925, together, they formulated a tonic based around natural plant extracts, including the white thorn berry Crataegus oxyacantha, naming their magic elixiir Catlenburger Clostertrunk. Over several generations, the cult following of foaming fruit grew and grew but the crafting of this unique and popular moreish mango remains a closely guarded secret. Salaciously sweet, frivolously fruity and wickedly wild? Yes indeed, decadent and deliciously so!