Mostillo and arrope Food and drink · Caudete de las Fuentes, La Plana de Utiel-Requena, Valencia Image of Caudete de las Fuentes, not of the place itself. Grape-harvest sweets made by boiling grape must down to a thick syrup. Arrope is taken with candied pumpkin and mostillo is thickened with flour and cut into portions, an old way of using up the surplus of the harvest. Photo: Carlesmari (CC BY 3.0) What to see and do in Caudete de las Fuentes