This needs a mixing rum with a powerful taste. The #Appleton 12 may be a tad too gentle.
@SlowRain I don't think I've had Hot Buttered Rum. Where does one get Black Sugar? Would molasses, brown sugar or maple syrup do?
Brown sugar would be OK, but Demerara is usually the go-to for Hot Buttered Rum. The spices I add are optional, depending on the flavor profile of the rum.
Here's where I took my ideas from: https://youtu.be/t9wNGIgN_f8
@SlowRain I would tend to trust a New Orleans bartender's expertise, yes.
Generalistic and moderated instance.