This flavorful spaghetti squash pesto recipe is a great way to enjoy a classic Italian dish without the carbs. Using a food processor to shred the spaghetti squash makes it quick and easy to prepare. The pesto is made with fresh basil, garlic, pine nuts, and parmesan cheese, and is the perfect complement to the tender spaghetti squash. This dish is perfect for a cozy night in or a dinner party with friends.