Pietro Collina’s take on the Daiquiri was the top vote-getter in our blind tasting of 20 Daiquiri recipes. His formula couldn’t have been more classic: two ounces of Flor de Caña 4-Year Extra Dry rum, one ounce of double-strained lime juice and three-quarters of an ounce of rich cane syrup (2:1) that was equal parts bold and clean.