1) Boil a large pot of salted water and cook the pasta according to the package directions. When done drain, place back in the cooking pan and add the butter.In a large skillet saut the tomatoes with the olive oil, 5 minutes.

2) Remove from the heat and add the basil.In a large bowl add the pasta, the tomatoes and mix well.

3) Add the mozzarella and give it a last light folding.

4) Serve immediately