A: The broad bean-themed names include bean paste, orchid bean, bean bun, broad bean string, crispy broad bean, cold broad bean, Buddha bean, arhat bean and Japanese bean.

1. It is best to choose the new broad beans of that year, which are full, uniform in size and intact, and remove bad broad beans such as moldy black spots, and wash them with clear water to remove impurities;

2. Put the broad bean skin into water to fully absorb water and expand, and it takes about 1-2 hours for dry broad beans to foam;

3. Rinse with clear water, and the peeled bean black line accounts for about 1/3 of the whole broad bean. Lazy people can cut a hole in broad beans with a knife. Eliminate broad beans that can't be soaked, commonly known as "iron beans".