The preparation method of Douban chili sauce is as follows:

Ingredients: 5 jins of spicy millet, 20 jins of Erjingtiao peppers, 6 jins of salt, three boxes of Thirteen Spice, one jin of ginger, Douban Five pounds.

Steps:

1. Wash the two vitex peppers and drain the water.

2. Drain the spicy millet.

3. Break the spicy millet, two vitex twigs and ginger into pieces and mix evenly.

4. Add watercress, thirteen spices and salt and stir evenly.

5. Don’t rush to put the mixed bean paste in the jar. It needs to be dried for more than 20 days. When the water evaporates some and gradually becomes fragrant, it can be sealed with oil and put on the jar. The bean chili sauce is ready.