Step 1

In a small bowl combine miso, ginger, soy, sugar and ¼ cup of stock.

Step 2

Place salmon in a flat dish and pour over marinade, combining well. Leave for at least 30 minutes.

Step 3

Heat a barbecue hot plate or frying pan. Remove salmon from marinade and pat off excess. Reserve marinade. Cook salmon for 4 or 5 minutes each side, depending on thickness.

Step 4

Heat marinade in a small pot and add remaining stock to make it saucy.

Step 5

Place noodles in a bowl, add a bit of miso sauce, top with a piece of salmon, then serve with the watercress and grapefruit salad.