Step by step

Combine the baking powder and lemon zest

Tips
If the dough is too hard you could possibly add a little milk or liqueur to taste. The oil gives a lightness to the dough.
Trivia
The ‘Tozzetti’ of Viterbo are prepared both by ordinary families and in the local workshops and bakeries of Viterbo, to be shipped around the world where they are always greatly sought after.