1 1/2 oz of Dark rum
1 1/2 oz of Oloroso Sherry (or dark sherry)
1/2 oz of simple syrup
1/4 oz of Lemon Juice
lemon peel
In a cocktail shaker with ice, combine the rum, Sherry, simple syrup, and lemon juice. Shake and strain into a rocks glass with ice. Garnish with a lemon peel.