- 1.5 oz. Casamigos Añejo Tequila
- .5 oz. Crème de Mure by Giffard
- .25 oz. Agave Nectar
- Top off with Guinness Beer
- Garnish with 2 fresh blackberries through skewer
Combine all ingredients into tin shaker except Guinness. Add ice, shake vigorously, and fine strain into rocks glass. Top off with Guinness and garnish.