How does dried squid foam?

The steps of foaming dried squid are as follows:

1, prepared dried squid.

2. Soak the dried squid for about 2 hours, and you can use it when it is soft. You can also soak it with a little baking soda.

3. Remove the middle bone.

4. Wash the squid, cut it into strips and put it in a basin. ?

4. Add a little onion and ginger.

5, steam on the pot.

6. Steam on high fire 15 minutes or so, and the dried squid will be foamed. The foamed dried squid is very soft and can be used for frying or soup.