1 1⁄2 oz Gin
3⁄4 oz Aromatized wine, Lillet Rouge
1⁄2 oz Blackberry syrup (blackberry-lime syrup)
1⁄2 oz Lime juice
3 lf Shiso
2 ds Lime bitters
1 oz Soda water
Muddle, shake, strain over cracked ice, top with soda, garnish with another shiso leaf and more blackberries.
Blackberry lime syrup: http://punchdrink.com/recipes/blackberry-lime-syrup/
Brad Thomas Parsons, Bitters: A Spirited History of a Classic Cure-All, with Cocktails, Recipes, and Formulas.
Gin, Aromatized wine, Lime bitters, Blackberry, Soda water, Blackberry syrup, Lime juice, Shiso