Fettuccini Alferdo 1 pint Heavy Cream 1 stick butter 2 tablespoon parsley 1 packet frozen spinach cooked. Heat 2 tablespoon olive oil. Add parsley. Add heavy cream at slow heat add butter till butter melts. Add cooked fettuccini and spinach and 1 teaspoon salt. This sauce is for 4 servings of cooked Fettuccini.