2 oz (60 ml) Żubrówka Bison Grass Vodka
1 oz (30 ml) lemon juice
1 oz (30 ml) grapefruit juice
1 oz (30 ml) Shiso Syrup
1 egg white
2 dashes Fee Brothers Plum Bitters
- Add all ingredients to a cocktail shaker and shake. Add cubed ice then shake again, double strain and garnish with bitters.
- To make SHISO SYRUP: Simmer 4 cups (1 L) water with 12 large shiso leaves until fragrant, about 10 minutes. Add 4 cups (1 L) sugar, stir to dissolve. Strain out leaves and let cool. Can be refrigerated for up to 3 weeks.