1/2 ounce (1 tablespoon) Benedictine
2 ounces (1/4 cup) amber rum
1 or 2 dashes Angostura bitters
1 strip lemon peel, for garnish.
Combine all ingredients except lemon peel in a shaker half-filled with ice and stir until well chilled. Strain into a cocktail glass. Run lemon twist around rim and drop into drink.