Heart shaped ravioli recipe dried pasta is produced commercially via an extrusion process, although it can be produced at home. Fresh pasta is traditionally produced by hand, sometimes with the aid of simple machines. Both dried and fresh pastas come in a number of shapes and varieties, with 310 specific forms known by over 1,300 documented names. In Italy, the names of specific pasta shapes or types often vary by locale.
For example, the pasta form cavatelli is known by 28 different names depending upon the town and region. Historians have noted several lexical milestones relevant to pasta, none of which changes these basic characteristics. For example, the works of the 2nd century AD Greek physician Galen mention itrion, homogeneous compounds made of flour and water. West of Termini there is a delightful settlement called Trabia.