How to make
Soak the wheat in cold water about 2 hours. Rinse it under running water. Boil it in a suitable container until the grains crack open.
Rinse it again under running water and lay it out onto a clean towel.
Leave it for 7-8 hours to dry.
Put the wheat in a suitable bowl, add the powdered sugar, breadcrumbs, cinnamon, vanilla sugar and lemon zest.
Stir until homogeneous.
You can also add walnuts if desired.