Carve the peach skin crosswise. Dip briefly into boiling water, then rinse with cold water. Peel skin, cut peaches in half and stone them. Cut the flesh into small pieces, weigh 500 g.
Cleaning raspberries. Mix fruit, peach and lime juice and jam sugar in a large saucepan. Bring to the boil while stirring over high heat. Cook for 3 minutes while stirring continuously until bubbly.
If necessary, skim off, pour into carefully cleaned glasses and close well.