Description Hugo Spritz is a Cocktail based on Briottet Elderflower Liqueur. A French liqueur, made from a maceration of elderflowers. Ideal cocktail for your aperitifs. Recipe card Ingredients - 1 Pers. Elderflower liqueur - Liqueur de Fleur de Sureau - 1.5cl Prosecco - 8cl Soda Water - 5cl Lemon slice - 1 Mint - 2 leaves Ice cube - 2 Preparation Pour the liqueur, sparkling water and Prosecco into a large wine glass. Add the mint leaves and the lemon slice. Add the ice cubes and stir gently.