Formula: 70kg of flour, 30kg of miscellaneous grains powder, foam source 1 kg, malt syrup10kg, 0.4kg of salt and 70kg of warm water.

Step;

1. Take 50 kg of flour and add 50 kg of boiling water to make paste, cool it to 40℃, and add 100 g of yeast to ferment 1-3 hours to get batter.

2. Mix the remaining flour, miscellaneous grains powder and foam source evenly, add batter, then add malt syrup, salt water and warm water to make paste, and let stand for 30 minutes.

3. Heat the hammer, coat it with grease, pour in the batter, scrape it with bamboo dragonfly and cook it with slow fire.