Beat the yoghurt with the baking soda and ammonium bicarbonate, then add the lard mixture. Add the orange juice.
Stir well and in lots add the flour - knead a soft dough.
Spray out cookies into rosettes or strips. Arrange them in an oiled tray.
Bake in a preheated 356°F (180 °C) oven with the fan on, for 10-12 min.
Take them out and once cooled, sprinkle with melted chocolate spread using a fork.
Sprinkle the rosettes with powdered sugar.
Have a tasty and aromatic Christmas!