200 degrees. 3 Divide the small bowl into 9 small doughs, put some oil on the chopping board to prevent sticking, roll into rectangular thin dough pieces, pour appropriate amount of oil, salt and thirteen spices on the dough pieces, then sprinkle chopped green onion, put tin foil in the middle of the baking tray and bake at 200 degrees. The specific time depends on the thickness of the cake, and the skin is a little brown.