
Prepare the squid following the above instruction and slice into rings about 1 cm thick. Pat dry well with paper towel.
Place the cut squid into a mixing bowl and add shio koji and rub it on the squid and leave for 20-30 minutes.
Make the batter by combining the flour, water and egg in a bowl and mix well.
Add the squid rings into the bowl and coat with the batter then coat the squid rings with the panko crumbs one by one.
Heat oil in a saucepan to 180 degrees C (356 degrees F).
Deep fry the calamari until golden brown then set aside on a paper towel to soak up the excess oil.
Make the wasabi mayonnaise by combing the wasabi powder with the water in a small bowl.
Add the mayonaise and milk into the wasabi mixture and combine well.
Serve the fried calamari with the wasabi mayo!