Ingredients preparation: appropriate amount of cowpea and a little salt.

1, dried beans, be sure to choose a tender texture to dry, such beans will taste strong when dried, and of course, if there are insect eyes or spots, you should also pick them out.

2. Pick the selected cowpeas, put them in clean water, gently rub them with your hands, and it is best to soak them in salt water for a while.

3. Add a proper amount of water to the pot, 1 spoonful of salt, bring the water in the pot to a boil with high fire, then put the washed beans in the pot and blanch them again. It doesn't take too long and it doesn't need to be cooked. The beans can be taken out after they become discolored. Put the fished beans into the pool and add flowing water.

4. Put the watered beans on a clothes rail or spread them on a breathable container and dry them in the sun. Turn it over a few times. If the sun is enough, it will be basked in basically 2 days.

5. Boil the water in the steamer in advance, add the preliminarily dried beans, and steam over medium heat 15 minutes.

6. Finally, put the steamed beans on a breathable container and dry them thoroughly.

7. Sun-dried dried beans can be tied into small bundles according to the amount of each time, sealed in plastic bags and stored. Of course, they can also be cut into small pieces and stored in dry and ventilated places.