According to Baidu's encyclopedic information, the burger embryo can be heated in the oven for 2 minutes, and the oven or microwave will further consume the moisture in the burger embryo, so the texture will be crunchy.

Burger blanks are bread blanks used to process burgers, and the bread is usually split into two or three layers, and after the cuts are baked using a bun dryer, patties, lettuce, and sauces are added in the middle to make a hamburger bun.