Donn's Old Fashioned

For Donn's Spices #2, mix equal volumes of vanilla syrup and allspice dram. Use the listed quantity of this prepared mix in the cocktail.

Stir the bourbon, Donn's Spices #2, and Angostura bitters with ice in a mixing glass.

Pour the mixture into an Double Old Fashioned Glass over a large ice cube.

Express the oils from an orange peel over the drink and use it as a garnish.