Put the mackerel fillets in a bowl with the lemon zest and ... on a lightly oiled baking tray and use a chef’s blow torch to cook the skin-side only, for about 3 minutes. The mackerel should ...
Peel away the skin from the mackerel fillets and discard ... Heat the olive oil in a small saucepan and then gently cook the onion for about five minutes until it has softened but not coloured.