instant yeast (I use fermipan or mauripan) • lukewarm milk • caster sugar • egg • strong white flour (I use "cakra kembar" or komachi) • salt • steamed potatoes, mashed • unsalted butter, room temperature
warm water • unsweetened chocolate powder • cake flour • granulated sugar • baking soda • distilled white vinegar (i used apple cider) • fine salt • oil • vanilla extract