Danish Poppy Seed Crescents

Unlike croissants, which are often plain, Danish crescents always have a filling. Poppy seed filling is one of the most popular in Vienna, where Danish pastry originated. There are also variations with walnut, apricot and prune fillings, as well as several variations on the shape of the crescents. Before poppy seeds can be used in a filling, they must be ground. Eastern European shops sell the seeds already ground, or you may grind them yourself in a spice grinder, but the seeds are quite h