Cook tortellini according to directions, drain and set aside. In the same pan brown Better with Cheddar Smoked Sausage Links with onion for 5-7 minutes or until onion is tender.
Add back in tortellini. Add marinara and Alfredo and toss to coat. Return to stove and heat on medium high until warmed throughout. Sprinkle with shredded mozzarella cheese; broil on high for five minutes. Serve immediately.