Among homemade Italian pasta types, ravioli (dumplings) are the most intriguing ones as the variety of fillings to use with the same dough is really wide (see the dough recepy here). If you are vegetarian, one option provided by regional Italian cuisine is ravioli filled with ricotta cheese and nettle. Obviously they are not stinging as nettle is first boiled and then mixed with ricotta cheese, parmesan and eggs.
As for the sauce, the very common one is to have this kind of pasta with butter and parmesan cheese, sometimes with sage as a supplement. Otherwise, a sauce made with nettle and cream is also a tasty option, as the one proposed at the Osteria del Trebbo, a very traditional tavern in Rio Lunato (Modena). Just try it!