The Holidays are here and whether you are still thinking about your Christmas dinner or you are planning for your big New Year’s celebration this creamy horseradish sauce is a perfect addition for all your favorite beef dishes.   For an early Christmas I made this Peppercorn Crusted Beef Tenderloin and this sauce was a must have with it.  There is just something so special about a rich horseradish sauce with a piece of tender beef and this sauce is perfection.  When I decided to make the beef tenderloin I started thinking about horseradish sauce and thought I would just buy store bought and then I decided I wanted to…