This adults-only apple juice is giving us all the autumn feels. Whisk this whisky punch up and serve in a glass pitcher.
Combine all of the ingredients, except for the sparkling cider, in a large pitcher. Stir with ice. Add the sparkling cider and garnish with an apple slice.
To make cinnamon syrup, combine the sugar and water in a small pan over medium heat. Add the cinnamon sticks and bring the mixture to a simmer. Cook for a few minutes, until the sugar is fully dissolved. Turn off the heat, and let the syrup steep for 30 minutes as it cools. Drain into a container, pop on a lid, and keep the syrup in the fridge for up to a month.