Baked Ziti without olive

1 lb dry ziti pasta 1 onion , chopped 1 lb lean ground beef 2 (26 ounce) jars spaghetti sauce 6 ounces provolone cheese , sliced 1 1/2 cups sour cream 6[...]

1 pound dry ziti pasta 1 onion, chopped 1 pound lean ground beef 2 (26 ounce) jars spaghetti sauce 6 ounces provolone cheese, sliced 1 1/2 cups sour cream 6[...]

1 (16 ounce) package dry ziti pasta 1 pound lean ground beef 1 onion, chopped 2 (28 ounce) jars spaghetti sauce 6 ounces sliced provolone cheese 6 ounces[...]

1 (26 ounce) jar spaghetti sauce 1 (16 ounce) container sour sour cream 1 (14 ounce) can beef broth 1 cup shredded mozzarella cheese or 1 cup monterey jack[...]

1 lb ziti pasta 1 tablespoon olive oil 8 ounces ground chuck or 8 ounces ground turkey 1 cup chopped onion 1 (28 ounce) can crushed tomatoes 1 tablespoon[...]