Prepare the necessary ingredients, the first night of the egg baked cake skin of all the ingredients, in turn, add, mix well, become a bowl of smooth batter, and then cover with plastic wrap, into the refrigerator to ferment overnight (it is recommended that you can use half of the warm water to the brown sugar and sugar dissolved, half of the warm water to the melted yeast plus eggs).

When there are no more bubbles, you can add your favorite toppings, fold them in half, and serve. You can also use a flat spatula to scoop out the bubbles when they don't come out anymore, and fold it in half with the filling, so that it won't be easy to paste.