Steps
1. In a bowl, cream the softened butter and sugar until light and fluffy.
2. Add the egg and mix thoroughly.
3. Stir in orange blossom water or lemon zest.
4. In a separate bowl, sift together the flour, baking powder, and salt.
5. Gradually combine the dry ingredients with the wet mixture until a soft dough forms.
6. Shape the dough into small boat-shaped loaves (navettes).
7. Wrap the dough in cling film and refrigerate for at least 12 hours (up to 2 days) to allow flavors to develop.
8. Preheat the oven to 180°C (350°F).
9. Place the navettes on a baking sheet lined with parchment paper.
10. Bake for 12-15 minutes, or until lightly golden.
11. Let cool on a wire rack before serving.