For the fine ribbon pasta with pumpkin pesto, roll out pasta dough thinly using a manual pasta machine, dusting with flour several times, and cut fine pasta. (Or cook according to package directions until al dente).
Boil the pasta in salted water (about 3 minutes), then strain and drizzle with pumpkin pesto while still hot and dress with freshly grated Parmesan.
Fine ribbon noodles with pumpkin pesto possibly still complete with fresh herbs or arugula.