Combine ingredients in a cocktail shaker. Whip shake with only 1-2 cubes. Strain into a rocks glass over ice. Top with prosecco. Garnish with lemon zest.
All drink recipes within this site contain no more than 0.6 fl. oz. (14 grams) of alcohol per serving, equivalent to one standard U.S. drink. For more information on alcohol content, please visit http://www.drinkiq.com