Mix cake flour, instant yeast, sugar, salt, and cinnamon powder.
Gradually add warm water while kneading the dough.
When the dough comes together, add raisins and mix.
Let the dough ferment for 1 hour.
Divide the dough into individual portions and shape them.
Boil each side in boiling water for 30 seconds.
Bake in a 180°C oven for 20 minutes.