self-rising flour (about 300 grams) • baking powder (about 10 grams) • sugar (about 200 grams) • milk (about 120 ml; I use powdered milk) • egg • oil • caps vanilla extract or zest from a citrus fruit • milk (about 250 ml; I use powdered milk) • egg • sugar (about 100 grams) • all-purpose flour (about 40 grams) • vanilla extract or zest from a citrus fruit •