Description Let’s discover the Frousse cocktail with Strawberry liqueur, grapefruit juice and Cremant de Bourgogne. A perfect summer cocktail Recipe card Ingredients - 1 Pers. Crème de Fraise Briottet - 1cl Grapefruit juice - 2cl Cremant - 4cl Preparation First pour the Briottet Liqueur de Fraise des Bois. Add the grapefruit juice. Finish with the Cremant.