STEP 1/7
Samchi remove thorns and shells..
It is easily removed by hand when slightly frozen.
STEP 2/7
Cut into appropriate sizes, season with salt and pepper.
STEP 3/7
Pour 2/3 cups of water into 1 cup of frying powder to make a thick dough.
STEP 4/7
Put the seasoned mackerel into the batter and toss it to coat it.
STEP 5/7
Fry one at a time in boiling oil.
STEP 6/7
Fry it again until it's golden brown.
STEP 7/7
Fry the custard potatoes crispy and serve with the sauce.
When you remove the thorn, press it gently with your finger and you'll get the thorn..It comes off easily with your hands.