1 t Agave syrup
1 twst Orange peel (flamed)
Stir, strain, rocks, rocks glass, flame orange peel & drop into drink.
It's been reported that Death & Co calls for the Mole bitters and that the NY Times article calls for Angostura due to the at-the-time availability of the Bittermens product.
Phil Ward, Death & Co, New York, NY
Reposado Tequila, Mezcal, Bitters, Agave syrup, Orange peel