Although pruneaux d’Agen are highly thought of and cost more in France, I’ve found most large prunes (but not the pre-soaked kind – they disintegrate) are particularly good preserved this way.
Measure the prunes into a bowl. In a jug or teapot make an infusion with the lime flowers and 750ml(1¼pt) boiling water. Stir and leave for 5 minutes, then strain over the prunes. Cover and leave o