I've been using Michael Smith's method. Super easy and pretty good. 500 degrees for 30 min (for 2 bones), adjust for size, then turn off the oven and leave it in there for 2 hours. Don't open the oven door.
http://dinnerwithjulie.com/2012/11/1...h-hollandaise/
I adjusted it a little by adding garlic slivers and rosemary into the meat.