Cook pasta according to package directions. Drain and set aside.
Meanwhile, heat oil in a large skillet. Add sausages and cook for 4-6 minutes or until no longer pink. Remove sausages from skillet, reserving any dripping in skillet.
Add onions and garlic to skillet; sauté for 2 minutes. Stir in undrained tomatoes, tomato paste, broth and salt. Bring to a boil. Reduce heat to low; simmer, uncovered, for 10 minutes, stirring occasionally.
Combine pasta, tomato mixture, sausage, ½ cup mozzarella cheese, Parmesan cheese, if using and basil in a large bowl; spoon into ungreased 13X9 inch baking dish. Sprinkle with remaining mozzarella cheese. Bake in preheated 375 °F oven for 10 to 15 minutes or until cheese is melted.
Serve and enjoy!
Notes
Recipe source: Unknown
Recipe by Salu Salo Recipes at https://salu-salo.com/baked-rigatoni/