To make garnish, pin orange rinds around straws and leave for 15 minutes.
Makes about 7 cups
2 (14-oz.) containers premium chocolate ice cream
2 cups milk
3/4 to 1 tsp. ground cinnamon
1/2 teaspoon orange zest
1 cup bourbon
Garnish: orange rind curls
Pulse first 4 ingredients in a blender until smooth. Stir in bourbon. Serve immediately over ice. Garnish, if desired.
Note: We tested with Häagen-Dazs Ice Cream.