Kidney Toast

Crostate are crisp little morsels often on a base of fried or toasted bread or sometimes pastry; and they are the ancestors of the crisp French croustades made of bread or pastry. As crostini (crostate has come to mean a sweet open pie), they are still a favorite Italian first course, often made with chicken livers or cheese; here Scappi uses veal kidneys in a spicy sauce. Pomegranate juice, with its fruity tartness, was a seasoning the Italians picked up from the Arabs