Amaretti, the famous Italian almond cookies are so popular in their homeland that almost every region has their version of the recipe, using different proportions and combinations of the basic ingredients: sweet and bitter almonds, apricot kernels, eggs, and sugar.
In Spilamberto, a municipality in the province of Modena, you can try amaretti di Spilamberto - soft, bittersweet, long-lasting cookies that are part of the region's gastronomic tradition ever since the 17th century. They are considered to be the predecessors of another Emilia-Romagna's version, amaretti di Modena, made with both sweet and bitter almonds, sugar, and egg whites.