Fill a cocktail shaker with Ice (as needed). Assemble ingredients.
Add the Calvados Apple Brandy (1 fluid ounce) to the shaker.
Add Benedictine (1 fluid ounce).
Squeeze in Lemon Juice (0.5 fluid ounce).
Add Gingerbread Bitters (1 dash) then stir with bar spoon for 40 revolutions.
Strain into a glass of your choice and top with Carbonated Water (to taste). Enjoy!