How to make Hengyang grass fish balls?

The raw material is grass carp grazing in Hengyang village. Peel and remove red and fish tendons. The ingredients are grass carp, fat meat, raw flour, egg white, ginger, onion, pepper, monosodium glutamate and salt, and the production method is a little different. Use 500 grams of fish, 250 grams of fat and egg white instead of water and 500 grams of raw flour. Other ingredients can be adjusted according to personal taste.