Preheat oven to 375. Spray a 9 x 13-inch baking dish with cooking spray or evoo.
Bring a large pot of salted water to a boil. Add pasta and cook for 9 minutes. Drain and return pasta to the pot. Stir in the marinara sauce and blended cottage cheese.
While the pasta is cooking, cook the sausage in 1 tsp evoo, turning, about 5-7 minutes, then cut into pieces.
Transfer the pasta mixture and sausage to the prepared baking dish. Top with mozzarella and paresan. Bake for about 30 minutes, until golden and bubbling. Let sit for 5-10 minutes before serving.