Ingredients

• 6 cups ice cubes
• 4 cups brewed coffee, cooled
• 1 cup coffee liqueur
• 3/4 cup sugar
• 1 teaspoon ground cinnamon
• 1 cup half-and-half or milk
• Garnishes: whipped cream, ground cinnamon

Preparation
Process half of first 5 ingredients in a blender until smooth. Pour coffee mixture into a large pitcher. Repeat with remaining half of first 5 ingredients, and pour into pitcher. Stir half-and-half into coffee mixture, and garnish, if desired. Serve immediately.

Note: For testing purposes only, we used Kahlua for coffee liqueur.

Source : www.myrecipes.com