Japanese tofu hotpot
Spread the fish flakes evenly in the bottom of a flameproof casserole dish, and arrange the tofu on top.
Add the soy sauce, sugar, sake and 125ml/4fl oz water.
Cover and bring to the boil over a medium heat, then reduce the heat and simmer for 5 minutes.
Pour in the egg evenly over the top of the casserole, and sprinkle with the spring onions. Simmer for a further 30 seconds, covered, then serve immediately