Our new favorite pasta sauce has all the earmarks of a Neopolitan classic. Quick and simple, it exemplifies the short-order-cooking style typical of great Italian food. It simmers just long enough to get saucy and tangy, then clings lovingly to the pasta of your choice, careful to let the creamy flavor of the wheat shine through. It includes the usual suspects: chunked-up tomatoes, garlic, red pepper flakes, sage…. Sage? What’s with the sage? We know how Italians season tomatoes with basil and oregano, and occasionally with rosemary and thyme. Sage goes into saltimbocca and brown butter sauce, but not red sauces. But why not? Sage belongs to the mint family, along with all those…