1. Rinse and cut spring onion finely; Rinse and cut ginger finely.
2. Scale grass carp; Discard the gill and innards; Rinse the black membrane thoroughly; Rinse the whole carp in running water; Pat dry; Cut into halves; Cut into pieces; Marinate in seasoning (1) with part of spring onion and part of ginger for 30 minutes.
3. Add 5 cups of oil to a wok; Bring to the boil over a high heat; Turn to a low heat; Slowly slide in the carp and deep-fry till golden brown; Remove and pat dry.
4. Set th