Mackerel and Mushroom Starter

• 1 medium onion, finely chopped
• olive oil for frying
• 1 clove garlic, crushed

First fry the onion in a little of the olive oil until soft but not coloured. Add the garlic and the chunks of mackerel. Shake over a moderate heat until the mackerel is cooked. With a perforated spoon, lift the mackerel on to a serving dish. Put the sliced mushrooms into the frying pan with a little more olive oil if necessary. Add the chopped thyme or savory and fry fairly fast to brown the m