Don't stir the eggs in the batter. Pure cold water and batter can be crispy, or mixed with some crispy powder. Pay attention to the oil temperature, too cold oil temperature can't fry crispy taste.

Cold water batter, consistency hanging on eggplant pieces without dripping. It is best to sit in the oil pan until there is a slight smoke coming out, or hang your hands ten centimeters above the oil pan to feel the heat. Put the eggplant pieces into the paste to solidify and harden, and take them out. Wait until the oil temperature rises to a higher temperature just now, and then fry the eggplant pieces until the batter turns yellow.