Pastillos de nuez Food and drink · Boltaña, Sobrarbe, Huesca Image of Boltaña, not of the place itself. Sweet turnovers of thin dough filled with walnut chopped with sugar and honey, baked for the festivities and for Christmas; in the Sobrarbe they are also made with pumpkin or almond and are the most widespread homemade sweet. Photo: Juan R. Lascorz (CC BY-SA 3.0) What to see and do in Boltaña