Salame di cioccolato or chocolate 'salami' is a very popular Italian dessert made out of biscuits, cocoa and butter. Loved by kids and adults alike, it's no-cook and fun to make with the children. With the addition of Nutella in this chocolate salami recipe, it's sure to be a hit.
A great variety of biscuits would work well here, from common Rich Tea, digestives or shortbread, to petit beurre and Nice biscuits. Gluten free biscuits could also be used for a wheat-free treat.