There were no ovens in ancient China. What methods are used to make traditional snacks in China?

In ancient times, there was no oven, but they cooked some snacks by steaming or frying, which is also the most common way. For many snacks, you will find that if they are particularly tender, they may be true and feel softer. If it is fried, it will make us feel crisp, but it will still make us feel sweet, but it can also achieve an effect, but it is not as good as it is now.