--- celeri, 3pcs, cut into 1cm long,
--- carrot, 2pcs, cut
--- white wine(grape wine, not chinese cooking wine) 100ml
--- butter
--- one bag mussels, 2lbs
put butter in the wok, add the onion, fry it a bit, add celeri, carrot, stir for a couple of times. add mussels in. DON't use any water, add the wine, put the cover.