Bring water to a boil in a big pan. Once the water is boiling, boil the pasta for 7 minutes.
At the same time the pasta is boiling, Sauté the bacon and garlic over low heat.
Add the butter, cream, parmasan cheese and pepper. Cook for 8 minutes and stir continuously.
Last add the mozzarella and stir continuously until it melts and mxes with the other ingredients.