This recipe is a low-carb and gluten-free alternative to traditional lasagna. The spaghetti squash is used as a substitute for the pasta, and the dish is made with a delicious tomato sauce, ground beef, and ricotta cheese. The spaghetti squash is roasted until tender and then layered with the tomato sauce and cheese mixture. This dish is perfect for those who are looking for a healthier version of their favorite Italian dish.