CocktailsSherry Frozen Sgroppino January 10, 2019 561 From our May 2018 issue. Print Pin Frozen Sgroppino Ingredients64 oz. Kelvin Slush Citrus Mix34 oz. vodka50 oz. Prosecco2 gallons water InstructionsPour all ingredients in a large container. Mix well and fill in a slush machine. Serve in a pilsner glass and garnish with a charred rosemary.