In a stand mixer or with a hand mixer, beat together all ingredients until whipped nicely.
Boil water. While water is boiling, combine bourbon and 1.5 tbsp of batter in a mug. Pour water over the bourbon and batter, stirring to combine.
To garnish rim of glass with sugar, dip one side in honey and sprinkle sugar over edge. Garnish with unsweetened whipped cream.