Cut salmon fillet into 4 pieces.
Season the salmon with sake, soy sauce and ginger juice.
Coat the seasoned salmon with a mixture of rice flour and potato starch, fry the ginger slices in a pan with 1 tablespoon of sesame oil, add the salmon to the pan and brown, remove from the pan.
Add 1 tablespoon of sesame oil to the pan and saute Japanese mustard spinach and leek cut into 2cm pieces, then put the salmon of3.
Cover the pan with a lid and steam for a while,then season with sake, soy sauce, oyster sauce, mirin and love.