1. There are no crispy, crunchy ingredients in the ingredients, such as soda ash! Although the ingredients are enough to crispy, but add a little taste will be better! 2. I do not know if there is a preheated oven temperature, before baking to ensure that the temperature of the oven to 180 degrees, the baking tray should also be warmed in the oven! If the oven can be layered temperature control, you can increase the top temperature a little, or reduce the bottom temperature! 3. Because it is very thin, the edges are a little burnt...