1. Make the syrup. Mix water, honey, and sugar. Heat until the mixture lightly boils.
2. Remove from heat and add the spices, orange blossom water, and pastis. Let infuse and cool slightly.
3. Mix the flours, baking soda, and salt in a bowl.
4. Pour the warm syrup while stirring.
5. Add the butter in small pieces to the dough.
6. Let it rest in the refrigerator overnight.
7. The next day, preheat the oven to 210°C (410°F), or thermostat 7.
Bake in a mold for 10 minutes at 210°C (410°F), then reduce the temperature to 160°C (320°F), th.5, for 50 minutes.
8. Allow to cool completely before unmolding.