Add the bourbon, grapefruit juice, and honey syrup to a drink shaker.
Fill with ice and shake vigorously for 10 - 12 seconds.
Strain into a chilled glass and garnish with a grapefruit slice or peel.
BY THE PITCHER
Combine all ingredients in a pitcher and mix well.
Place pitcher in the refrigerator for at least one hour, or until fully chilled.
Serve with your choice of garnishes.
Notes
How to make your own honey syrup: Boil 1 part honey and 1 part water until the mixture is incorporated. Remove from heat and allow to cool before using. Calories are automatically generated. For best results calculate based on your exact ingredients.