One of the most famous typical sweets of the province of Bari and especially contended for "the invention" between Altamura and Bisceglie is the "sigh". A legend, not supported by documents and historical truths, reports that the recipe goes back to the fifteenth century; the Poor Clares produced and churned out the so-called "sigpiretti delle nache" (nuns’ sighs), made with sponge cake stuffed with cream and all covered with a pink frosting. It is said that these sweets were prepared by the Poor Clares for…