Quick Chocolate Pudding

4 cups milk

½ cup white sugar

½ cup cornstarch

½ cup dark cocoa powder

1 (4 ounce) bar semisweet chocolate, chopped

1 teaspoon ground cinnamon

1 teaspoon whiskey

Stir milk, sugar, and cornstarch together in a saucepan; stirring continually, bring to a boil. Add cocoa powder, chopped chocolate, cinnamon, and whiskey to the milk mixture; cook and stir until thick, about 5 minutes. Pour into a casserole or baking dish.

Refrigerate until cold.