These little delicacies have been part of the European confectionery trade for a long, long time. Could they have come from the Arab world in the Middle Ages?
Mix the ground almonds and sugar in a bowl, add just enough rose or orange blossom water to bind them into a firm paste. Put less than you seem to require, for once you start kneading with your hands the oil from the almonds will act as an extra bind. You can always add more as required. Make a slit on one side of each date with a sharp knife and pull out the stone. Press in a small lump of gro