1 (16 ounce) package uncooked rotini pasta
1 lb ground Italian sausage
1 (24 ounce) jar pasta sauce
1 (16 ounce) container cottage cheese
1 (2 1/4 ounce) can sliced black olives, drained (optional)1 (4 ounce) can mushrooms, drained
12 ounces shredded mozzarella cheese
2 (3 ounce) packages sliced pepperoni
Preheat oven to 350 degrees. Lightly grease a 9X13 casserole dish.
Bring a large pot of lightly salted water to a boil. Place pasta in the pot, cook for 8 to 10 minutes, until al dente, and drain.