Sherry Prunes

• 32 Unpitted Prunes
• 100 ml (3½ fl oz) Pedro Ximénez Noble Sour Vinegar

Place the prunes in a ceramic bowl and pour over 300 ml (10½ fl oz) of cold water. Leave to soften overnight in the refrigerator. Place the prunes in a single layer in a large saucepan. Add the vineg