1, starch: adding a certain percentage of starch to the batter will increase the crispiness. All-flour texture does not have a crunchy feel.
2, oil: the flour and starch with a ratio of 2:1 mix well, pour in the right amount of salt and cooking oil and water, mix well. Cooking oil will make the batter crispy and increase in volume.
3, the state of the batter: the batter poured into the water, add a little at a time, adding several times, the state is not too thin, not too thick, just can flow state. Put the eggplant in the batter, the batter can be evenly wrapped in the surface of the eggplant can be.