Easy Cavatini

Easy Cavatini 1 lb ground beef 1 medium onion 1 medium green pepper 1 (3 1/2 ounce) package pepperoni 1 (15 ounce) jar spaghetti sauce 1/2 cup rigatoni pasta 1/2 cup macaroni 1/2 rotini pasta 1 (8 ounce) carton cottage cheese 1 (10 ounce) package shredded mozzarella cheese Chop the onion and green pepper.Cook pastas together; drain well.Saute beef, onion, and green pepper until beef is no longer pink and vegetables are soft. Add the pepperoni and heat thoroughly. Drain excess grease.Add spaghetti sauce and simmer 5 minutes. Spray a 3-qt casserole with cooking spray. Put 1/2 of the pasta in the casserole. Spoon 1/2 of the meat sauce mixture over the pasta. Spoon the container of cottage cheese over the sauce. Sprinkle with 1/2 of the mozzarella cheese. Top with the remaining pasta, then sauce, then mozzarella cheese. Bake at 350 degrees for 30-35 minutes.