Butterfly your chicken breasts and cut all the way through with the knife in your dominant hand to slice through the middle of your chicken with your non-dominant hand pressing flat and firm on top of the chicken. You should end up with two chicken pieces of equal thickness. Season these with 1 tsp of salt and pepper on both sides.
Set up your dredging station by taking two shallow dishes. Into one pour in your pan breadcrumbs and into the other add the eggs, flour, salt and pepper. Whisk to combine.
Heat your rapeseed oil in pan for deep frying on a medium heat
Dip your chicken in wet batter and coat well in the mixture, allow the excess to drip off before placing into your panic breadcrumbs. Press the panko breadcrumbs in the chicken.
Deep fry your chicken for 6-7 minutes or until golden brown.
Serve your katsu curry with some hot sushi rice and that's it!