We visited celebrity chef Guy Fieri at his Times Square restaurant, Guy’s American Kitchen & Bar recently. But we didn’t just talk with him, we cooked with him as well. We made our own spaghetti and meatballs, and it was delicious! Guy called the spaghetti sauce gravy. Guy told us the secret to good pasta is the pasta needs to be al dente. After cooking for an hour or so, we sat down, ate together,…