Not Tunisian but definitely Mediterranean: The Classic Tiramisu.

Refreshing, light and delicious, the Tiramisu is an all time classic. So why try to make it at home. Here is the recipe published by Mangeons Bien, the top culinary site in Tunisia:
 https://www.mangeonsbien.com/aux-fourneaux/cuisines-des-peuples/tiramisu-aux-biscuits-a-la-cuillere/