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.
In a skillet over medium heat, cook the sausage until evenly brown, drain grease. Mix in the cooked pasta and pasta sauce. Pour into prepared casserole dish.
In a bowl, mix the cottage cheese, olives, mushrooms and mozzarella cheese.
Spoon the cheese mixture over the sausage and pasta mixture. Top with pepperoni slices.