Brenner Pass is flavorous light in flavour cocktail at 0.8 standard drinks. Built with 30ml walnut liqueur purkhart and 10ml coffee brew moccona espresso with 210ml water hot and best when a coffee is needed. Just warm glass then add a few poached walnuts to glass and brew coffee. Add shot of walnut liqueur and pour in coffee and add sugar, milk, cream, etc to taste and optimal service temperature would be 60c to 70c or 140f to 158f and served in a coffee glass warm.