(1) Sesame-flavored crispy baked buns with 15 kg of wheat flour, 1 kg of sesame pulp, proper amount of natural yeast and proper amount of water.

(2) 1 kg pumpkin sauce, 8 kg wheat flour, a little natural old yeast and a proper amount of water.

(3) 2 kg of adzuki bean powder or mung bean powder (passed through a 12-mesh sieve), 7 kg of wheat flour, a little natural old yeast and a proper amount of water.

(4) Buckwheat-flavored baked buns slices: 3 kg of buckwheat flour, 6 kg of wheat flour, a little natural old yeast and a proper amount of water.

(5) Tender corn-flavored steamed bun slices, fresh and tender waxy corn syrup 4 kg, flour 6 kg, a little natural old yeast and proper amount of water.

(6) 3 kg of tomato pulp, 7 kg of wheat flour, a little natural old yeast, and a proper amount of water.

The fermentation process of the above formula can be fermented first and then added with auxiliary materials in the traditional way, or mixed with auxiliary materials and fermented together. It is recommended to use natural spontaneous old yeast instead of chemical leavening agent. Vacuum microwave technology is very suitable for baking steamed buns.

2. Processing equipment

Microwave is an electromagnetic wave with a frequency of 3 MHz~3 GMHz, and its direction and magnitude change with the time period. Microwave directly interacts with raw materials, and the water contained in raw materials strongly attracts microwave substances. Under the action of microwave, its polarity orientation changes with the external electromagnetic field, causing water molecules to rub and collide sharply, resulting in a series of processes of heating, which is called microwave heating process, which is carried out under negative pressure. It can make the boiling point of water smaller, so its dehydration rate is dozens of times that of ordinary traditional dehydration methods, which not only shortens the dehydration time, but also ensures all natural nutrients of the bun. In particular, microwave heating is rapid and uniform, without heat conduction process, and can penetrate into the heated material in an instant, and the penetration depth can reach several centimeters or even more than ten centimeters, and the microwave can be converted into heat energy in a few seconds to several minutes. The traditional heating method is gradually heat transfer from the surface to the inside, which is easy to produce tender skin, while the microwave heating method is from the inside to the outside, so the heating is more uniform and the water is easy to reach the internal and external balance.