Slice

Store slice in an airtight container for up to a week. Note

To ground walnuts, blend or process until fine. Note

An Italian lemon-flavoured liqueur, limoncello was originally made from the juice and peel of lemons grown along the coast of Amalfi. You can substitute it in this recipe, if you wish, with any lemon-flavoured liqueur or with an orange-flavoured one such as Cointreau. You need approximately five lemons for this recipe. Note

You need to buy 2 packets of lattice biscuits for this recipe. The slice will keep in an airtight container in the fridge for up to four days. Note