Cook noodles according to directions on package. Drain, then toss with oil, salt and pepper until well coated. Cook broccoli according to package
Drain. Combine cottage cheese and sour cream. Arrange half of the noodles in a 12 x 8 baking dish. Cover with half of broccoli and sauce, then a layer of cheese. Add another layer of noodles, topped with broccoli, sauce and cheese., then add all of the cottage cheese mixture. Top with remaining noodles and add sauce to cover. Sprinkle with mozzarella cheese.
Cover tightly with aluminum foil and refrigerate.
About 30 minutes before serving, heat oven to 350 F and bake for 30 minutes or until cheese melts and is golden on top.