Combine meat, bread crumbs, 1/4 cup of the pasta sauce, and salt; mix well. Shape mixture into 12 balls.
Meanwhile, coat a large nonstick skillet with cooking spray; place over medium-high heat. Add meatballs; saute 5 minutes or until browned. Add bell pepper and onion; cook 3 minutes, stirring occasionally. Add remaining pasta sauce. Cover; reduce heat, and simmer 8 minutes or until meatballs are done.medium- low . Spoon meatball mixture into rolls; top with cheese and, if desired, basil. Llet stand 1 minute before serving to melt cheese slightly. Makes 4 servings.