Sweet Fish Flakes

Sakana no oboro is made from lean, white-fleshed fish cooked in water, drained, crumbled, and dry-toasted in a pan with sugar, mirin (sweet cooking wine), and a little salt. The result is a dry, sweet, flaked fish with a faint pink color because of the addition of some red food coloring. This is another of those recipes born out of necessity—what to do with accumulated leftover whitefish in the sushi kitchen, most of which consists of end pieces or odd parts of the fish that could not be se