When thickening, thicken it first (don't put the eggplant first). After thickening, add the fried eggplant. After adding the eggplant, directly stir the spoon out of the pot. Don't stir fry.
You don't add half flour when you thicken the eggplant and wrap it with starch.
The temperature of the restaurant is higher than that of the home. The ingredients are not easy to "disfigure", so it is difficult to make the taste of the restaurant at home.
So you can try to hook the sauce and pour it on the plate. The taste is the same