1, look at the degree of softness. Fresh zucchini has some hardness before it is not cooked, and after it is put in the pan and fried, it will become very soft.

2, look at the color. The color of uncooked zucchini is white with some green, while the color of cooked zucchini will be darker.

3, look at the time. Zucchini itself is a very easy to cook vegetables, so fry three minutes to five minutes to ensure that the zucchini cooked.