Rigatoni smaller version, close to the size of penne. Their name takes on the diminutive suffix "-ino" (pluralized "-ini") denoting their relative size. Rigatoni is a particular favorite pasta shape in the south of Italy, especially in Sicily. Its namesake ridges make better adhesive surfaces for sauces and grated cheese than smooth-sided pasta like ziti. Rigatoni Rigatoni are a form of tube-shaped pasta of varying lengths and diameters originating in Italy. They are larger than penne and ziti, and sometimes slightly curved, though nowhere near as curved as elbow macaroni. Rigatoni characteristically have ridges down their length, sometimes spiraling around the
Pasta with an allowance for up to 3% of soft-wheat flour as part of the durum flour. Dried pastas made under this category must be labeled according to the subcategory. Special pastas ("paste speciali") – As Pasta above, with additional ingredients other than flour and water or eggs. Special pastas must be labeled as durum wheat semolina pasta on the packaging completed by mentioning the added ingredients used (e.g., spinach). The 3% soft flour limitation still applies. Egg pasta ("pasta all'uovo") – May only be manufactured using durum wheat semolina with at least 4 hens’ eggs (chicken) weighing at least 200