Add all the ingredients into a mixing glass without ice and stir well.
In a small ramekin, combine cassia bark chips and dried lemon peel, then carefully light with a torch. After everything begins to smoke, invert a white wine glass over the ramekin, and capture the smoke inside the glass to season it for 20 to 30 seconds.
Strain the drink into the prepared wine glass.
Express the oils of lime and grapefruit peels over the glass, then discard.