Place all the ingredients of the filings and seasoning into a big paid and stir them with a pair of chopsticks in one direction until all mixed.
Wipe off any excess salt from the bean curd skin.
Place 2-3 tablespoons of filings and then roll up like a sausage. Seal the edges by pressing down both ends.
Place them on a plate to be steams. Preferably, use a bamboo steamer.
When the sausage is cooked, set it aside and let it cool down. It can now be stored.
Cut them diagonally into pieces, coat with egg and then tapioca if using, and then deep fried.
Refry for maximum crispiness.