Fettucine with Low-fat Alfredo Sauce

Ingredients:
2 cup ricotta cheese (room temp)
6 T milk
½ cup parmesan cheese, grated
1 lb fettucine
4 T unsalted butter
½ cup parsley, minced
salt and pepper

Boil pasta according to package directions. Put ricotta, milk and parmesan in blender and blend until creamy. When pasta is done, drain and add butter to it. Add ricotta mixture, parsley, salt and pepper. Serve with additional grated parmesan.