Named after the capital city of Trinidad, the home of Angostura Bitters, and fittingly this cocktail calls for a monster half an ounce of bitters. Despite...
Coming back to this as an update, but IMHO a very smoky mezcal works best here. For the first time I used Montelobos and the second time I used Lopez Real. They are both great, but the Montelobos has a very smoky flavor that balances very nicely with the angostura bitters, while the Lopez Real felt a little one dimensional.
I can confirm. The first time I made it with Del Maguey Vida Clásico, and it was incredibly interesting due to the interplay between the smoke and spices. Second round with Trader Joe's private label mezcal was nearly all Angostura—not bad, but more like a Christmas digestif.