A zesty condimentadd a dash of refreshing sour flavour to your tonkatsu pork cutlets and similar dishes with oliver sauces lemon tonkatsu sauce made using fresh lemons from setouchi and onions from awaji island this sauce is a perfect combination of sweetsavoury flavours of different fruits and vegetables the sharp acidity of lemon juice and the potent umami of dashi soup stock providing an overall complex and slightly sharp flavour that works perfectly with tonkatsu cutlets fried croqu