Clean and prepare the mugwort and chestnuts.
Finely chop the chestnuts.
In a bowl, mix together flour, baking powder, sugar, and eggs.
Add mugwort and chopped chestnuts to the dough and mix evenly.
Shape the dough into a long log and place it on a baking sheet.
Bake in a 170°C oven for 25 minutes.
After cooling, cut into desired sizes and bake again at 160°C for 10 minutes to add crunch.