Preparation: combine ingredients in a mixing tin with ice and shake hard, then strain into a rocks glass and top with crushed ice. 

Garnish: Toasted cinnamon sticks (Toast cinnamon sticks with torch or over stove until they begin to smolder) and a few blackberries. 

*Cinnamon Simple Syrup: 
3 Cinnamon Sticks
2 c. Water
1.5 c. Sugar

Preparation: Combine cinnamon sticks and water in a small saucepan and simmer for 15 minutes, then remove cinnamon sticks and add sugar. Stir until sugar is dissolved and then cool.