Ingredients:
- ¾ oz lemon juice
- ¼ oz maple syrup
- ¼ oz cinnamon syrup
- ¼ oz creme de cacao
- ½ oz Black Blended Rum ❺
- 1½ oz aquavit
- one egg white
Garnish: grated cinnamon
Glassware: Chilled coupe
Yield
one cocktail
Method
Combine all ingredients in a shaker without ice and dry shake. Add large ice cubes and shake again. Strain into a chilled coupe and dust with cinnamon for garnish.

Source: Death & Co Welcome Home, page 202.
D&C calls for no garnish, but Mike went for a generous sprinkle of cinnamon. I vote cinnamon.