Can snacks be patented?

Local specialty snacks can apply for patents, but the conditions for obtaining authorization after application are as follows:

1 If you improve the preparation method of this snack, such as the formula, preparation steps, cooking time, etc. , and achieved unexpected results, you can apply for an invention patent for this improvement;

If you redesign the appearance of snacks and get a new appearance different from the original one, you can apply for a design patent.