Drain and dice the mozzarella into small pieces, the smaller the better.
Combine the oil and garlic, set aside.
Wash and dry the spinach, set aside.
Cook the pasta in a large pot of rapidly boiling salted water.
Drain well.
Immediately place the pasta in a large serving bowl.
Add the oil and garlic, spinach, mozzarella, tomatoes, basil and seasonings to taste.
Toss quickly, to melt the mozzarella and wilt the spinach.
Serve immediately, sprinkling with the parmesan at the last minute.