- 1 1/2 ounces reposado tequila
- 1 1/2 ounces Guinness
- 1/2 ounce tawny Port
- 1/4 ounce Agave nectar mixed with 1/4 ounce water
- Dash of Angostura bitters
- 1 very small pinch of cinnamon mixed with 1 pinch of sugar, for garnish
- Fill a cocktail shaker with ice. Add all of the remaining ingredients except the garnish and shake well. Strain into a chilled rocks glass and garnish with the cinnamon sugar.