Potted herrings in Guinness is a traditional Irish recipe that calls for herrings to be marinated in Guinness beer overnight, then cooked in the same beer the next day. The herrings are then covered in a mixture of Guinness and butter, and left to cool.
Wash herring fillets and roll up, starting from the tail.
Place in abaking dish and add the stout-and-vinegar mixture.
Add all otheringredients.
Cover with baking parchment or foil and bake in a moderateoven (about 350F) for 20 minutes.
Remove from oven, allow to cool, andserve.