Add all ingredients except ginger beer into a copper mug with ice and gently stir.
Top with ginger beer.
Garnish with apple slice and cinnamon stick.
Serve with straw.
*Smoked cinnamon syrup: Flambé 4 cinnamon sticks with kitchen torch until lightly charred. Add cinnamon sticks, 1 cup sugar and 1 cup water into saucepan. Bring to boil, reduce heat and simmer until sugar dissolves. Remove pan from heat and let steep for 20 minutes. Remove cinnamon sticks and store syrup in refrigerator up to 2 weeks. (Optional: 1/2 oz simple syrup mixed with 1 dash ground cinnamon).