Whenever I order a slice of tiramisu cake in an Italian restaurant ... Other supplies include a hand mixer or stand mixer ...

Tiramisu will keep for about 3-5 days in the refrigerator when stored properly. You could also use a stand mixer or a hand mixer to make the cake.

For the sponge, place the eggs and sugar in a large bowl and, using an electric hand-held mixer ... Dust the chilled tiramisu cake with the cocoa powder before turning out onto a serving plate ...