Add 45ml Angostura bitters, 30ml orgeat syrup, 22.5ml fresh lemon juice, and 15ml rye whiskey to a cocktail shaker.
Fill the shaker with ice.
Shake vigorously for 10–12 seconds until well chilled.
Double-strain into a chilled cocktail glass.
Serve without garnish.
The Trinidad Sour, created by Giuseppe González around 2008 at Clover Club in Brooklyn, is famous for using a full 1.5oz of Angostura bitters as the base spirit - more bitters than most bars use in a week. The high sugar content of orgeat is essential to balance the bitters' intensity and make the drink approachable.
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