2) Heat a little grape seed oil in a frying pan and fry the ingredients in 1). When everything is nicely heated, add the Vegeta Soup Mix powder, fry a little more, lightly evaporating off the moisture.

3) Place the natto in a bowl, add 2) and the bread crumbs, flour, salt and pepper to bind and mix well. Divide into 8 equal parts and shape as hamburgers. (You can do this quite easily if you wet your hands with water first.)

4) Heat some grape seed oil in a frying pan, place each of the patties from 3) in the pan and Fry. (Fry both sides until nicely brown, then place the lid on the pan a fry both sides for a further 5 minutes.)

5) Place the hamburgers on a dish and enjoy them with mustard soy sauce while still hot.