Gin Basil syrup Cocktail Recipe Gin, Basil Syrup, Dry Vermouth, Soda Water. HOW TO MAKE Gin basil Syrup Cocktail : Check below for printable version of this mouth watering Gin basil Syrup Recipe. Best Cocktail Typically Garnished  With Basil, Watermelon And Raspberries . For All [Never for Underage!]   Enjoy!     Gin Basil syrup Cocktail