The Trinidad Sour is a particularly unusual cocktail because its base is not a spirit, but rather a full ounce of Angostura bitters. Created by Giuseppe Gonzalez here in NYC, I've seen this cocktail pop up at bars around the country, most recently at Hunt & Alpine Club in Portland, Maine, but now, you can get it right here from the man himself. Giuseppe has opened a new bar -- Suffolk Arms -- where it sits on the menu alongside other house cocktails, twists on classics, and an entire section based on vodka. The bar is an homage to NYC itself, with portraits of famous New Yorkers in the menu and on the walls, and serving some of NYC's classic foods, like a Russ & Daughters smoked fish platter and matzo ball soup. I would highly recommend going there to get one, but you can make your own at home, so long as you're able to pry the top off of your Angostura.
1 ounce Angostura
1 ounce orgeat
3/4 ounce lemon juice
1/2 ounce Rittenhouse 100 proof rye
Combine ingredients in a shaker with ice; shake and strain into a coupe.