|Vermouth||Carpano Antica x 4.5cl 1.5oz|
|Simple syrup||One dash|
|Chocolate bitters||Two dashes|
|Egg||One egg white|
Cocktail Chronicles, the blog from which this drink originates, does a great writeup. Paul made it as a twist on a Cynar Flip, and he specifically recommends Bittermens Xocolatl Mole bitters.