Cheesy Baked Fish

Irish cheese used to be all but nonexistent, but in recent years a new crop of artisan cheese makers has been taking advantage of all the excellent dairy in Ireland to produce some excellent Irish-made cheeses. A cook (not to mention an eater) is spoiled for choice, especially at a cheesemonger such as Sheridans in Dublin, where the finest cheeses lie, aged to perfection, and just begging you to take them home. You can use any hard cheese for this recipe, but avoid fatty, softer cheeses lik