Carefully add the gnocchi in batches to the simmering water - an easy way to do this is to put a few on a slotted spoon and then submerge the spoon in the water. (chezcateylou.com)
Bring a large pot of salted water to a boil, reduce it to a low simmer and carefully add the gnocchi. (treehugger.com)
Simply add gnocchi to the sauce 5 minutes before it's done, and cook it together with the sauce. (greenevi.com)