Boil the syrup the day before. Mix all ingredients apart from the flour and the semolina. Then, slowly add the flour and the semolina and combine them to the rest of the ingredients with as few movements as possible. Roll the dough into oblong cookies and press them  using three fingers; place the cookies on a metal sheet. Bake in a pre-heated hot air over at 160°Cfor 20 minutes or in a rack oven at 220°C (high) and at 160°C (low) for 22 minutes. Poor cold syrup on hot cookies.