Marinated Mackerel with Marjoram

• 6 mackerel
• 3 bayleaves
• glass white wine or cider

Get the fishmonger to fillet the mackerel, or do it yourself. Cut the fillets in two lengthwise. Roll the fillets up from the tail end and put in a fireproof dish all facing the same way and with all the silver to one side and the dark blue to the other. Pour over the wine and vinegar. Add enough water to cover. Put in the marjoram and peppercorns and a little