This simple mackerel and potato salad is perfect when you fancy something a little different for supper. Making your own dressing makes it extra special. Bring a pan of water to the boil.

Chouriço is also a smoked, dry-cured pork sausage seasoned with paprika and garlic. It is best known for being used in chouriço assado, a dish for which the grilled sausage is set aflame to ...