Wash the onions and dry them well with a kitchen paper towel . Place them
in a bowl with red wine Barbera AZ. Agr. Capri and let marinate at least a
couple of hours. In a pan, put 1/3 of the oil and add the onions, drained from
the wine that you need to take part. Cook the onions over high heat so that you
color on both sides, then add the remaining oil in the Pan, sugar, salt and
half of the wine by steeping. Stir with a wooden spoon so that sugar and salt
dissolve, then continue to cook on low heat for about half an hour until the
onions are soft but not exfoliated and the liquid is restricted taking some
creaminess. Let cool and then place them in the refrigerator. Sweet and
sour onions served cold as a side dish with meat or with an appetizer. Put them
in an airtight container will keep a few days in the refrigerator.