Roughly chop the cabbage into 1cm pieces (too fine turns watery, too big falls apart).
In a bowl, mix the cake flour, dashi and yam, then add the eggs, cabbage, tenkasu and pickled ginger and fold gently to keep it airy (do not overmix).
Heat oil in a pan over medium, spread half the batter into a round about 2cm thick and lay 2 pork slices on top.
Cover and cook over medium for 4-5 minutes until the bottom is nicely browned. Do not press it down.
Flip in one go with two turners (if nervous, cover with a plate smaller than the pan, flip onto it and slide back). Cook uncovered for 4-5 minutes until the pork is crisp.
Flip once more, plate and top with sauce, mayonnaise, aonori and bonito flakes. Cook the rest of the batter the same way.