Preparation materials: moldy douban 1 kg, 2 kg of erjing pepper, morning pepper 1 kg, salt 1 kg, 200g of fresh pepper, ginger and garlic 1 kg, and a handful of rock sugar.

1. Wash the moldy watercress you bought 1 kg, put it in a clean waterless basin and soak it in high-alcohol wine for two or three hours.

2. Wash the second Beijing pepper and the morning pepper, drain the water and remove the pepper emperor.

3. Chop the cleaned and pedicled peppers as much as possible.

4. Pour the moldy watercress, Erjing pepper, morning pepper, salt, fresh pepper, ginger garlic and rock sugar into the basin and stir well.

5. Seal it with double gauze and stir it in the sun every morning.

6. After standing for one month, the bean paste is ready and can be eaten at any time in a glass jar.