Cook pasta according to package directions; drain.
Meanwhile, in a large skillet heat the oil over medium-high heat. Add bread pieces. Cook and stir for 2 to 3 minutes or until bread is toasted. Remove from skillet; set aside.
Remove casings, if present, from sausages. In the same skillet cook and stir the sausage or ground beef, tomatoes, onion, and pepper over medium heat 6 to 8 minutes or until vegetables are tender and sausage is browned. Drain off fat. Stir in pasta sauce. Cook and stir until heated through. Serve sauce over hot cooked pasta; sprinkle with toasted bread pieces. Makes 4 servings.