This Low Carb Spaghetti Squash Carbonara has all the delicious flavors of a traditional pasta based carbonara, but in a low carb, keto-friendly version. Perfectly roasted spaghetti squash, with smoky pancetta, onions, garlic, and a creamy sauce, topped with lots of grated parmesan cheese and fresh parsley. It is the perfect low carb pasta substitution.