1、 The practice of soaking vinegar

1. Wash the bought black beans with clean water, gently rub them with your hands, and then put the black beans aside to dry, and control the excess water.

2. Fire the pan, then put the dried black beans in it and fry them slowly over medium heat until the epidermis of the black beans cracks. Then turn to low heat and fry them. Then turn off the pan and take out the beans to cool down.

3. Prepare a glass container, put the beans in it, then put the fried beans into the glass bottle, and then add edible vinegar. Make the vinegar just cover the black beans, then seal the glass bottle, and then put it in the normal temperature environment, or put it in the refrigerator for refrigeration. After 7 days, it can be prepared, and add seasoning according to your own taste.

2、 Complete practice

1. Porridge cooking: it's a good practice to cook porridge with black beans. It's relatively simple. Wash the beans, then soak them in warm water for a period of time, take out a piece of beans followed by other beans and cook them in a pot until the beans are rotten.

2. Grinding soybean milk: it can also be ground into soybean milk. The method is very fast. Note that if the beans are raw, they must be cooked after grinding.