This is a recipe for a kinako (roasted soybean flour) cake that can be made with just three ingredients (eggs, sugar, and kinako), and does not use milk or butter. Whip the egg whites thoroughly using a meringue maker, mix in the beaten egg yolks, add the kinako, and bake in a toaster oven. Tips for success are also introduced, such as how to mix without deflating the meringue and how to use aluminum foil to prevent burning, making it easy for beginners to try. It is a simple and delicious snack that can be enjoyed with its fluffy texture and fragrant kinako flavor.