My wife and I are hosting an engagement party for my brother and his fiance tomorrow night. I have been asked last minute to cook a pork tenderloin to make small sandwiches with horseradish sauce. The sauce is made and the buns are bought along with a 12 lb loin from Sam's.
Any suggestions on a overnight rub/marinade? I have never cooked one this large so was also searching for an estimate of how long to cook. I was planning on doing it at 350. Thanks as always everyone!!