Whip 1 litre of Debic Tiramisù until light and airy and add 1 dl of coffee liquor. Pour into a piping bag. Dip the ladyfingers halfway into the coffee and put in the glasses.
Divide the Tiramisù among the glasses and leave to set in the refrigerator for 2 hours.
For the granité, mix 3 dl of espresso with 50 grams of sugar and 50 ml of liquor and put in the freezer.
Stir with a fork to create a fine granité.