I was out of my Angels Envy Bourbon, so I used Angels Envy Rye and added some Fee Brothers Whiskey Barrel Bitters alongside the Angostura Bitters. Will definitely be making this again, but 100% agree with Peter that it is a after dinner/dessert drink.
I thought this might be overwhelming with the list of strong flavored ingredients, but this turned out great! If you don't like nutmeg, it can be left out without ruining the cocktail, but if you do it really helps to open up the flavors. Definite winner on my menu.