Grano arso (literally "burnt grain" in Italian) is wheat which has been charred before being milled. It is popular in Italian cuisine. Meaning. Grano arso means "burnt grain" in Italian. History. According to Missy Robbins grano arso originated in Puglia and was a low quality product consumed out of necessity which later became trendy. Description. It is darkly colored and has a smokey flavor. It is also described as having nutty notes. Use. It is often mixed with normal flour to cut it's bold flavor. It is generally used to make pasta.