Combine with the vinegar and mustard in a small bowl, and whisk in the olive oil. Combine the meat and marinade in a non-reactive bowl, mix together with your hands and cover. Set aside for 2-3 hours.
However, it's just as important to let the meat and marinade marry for enough time. But why? When it comes to pork tenderloin in particular, marinades need longer than mere minutes to work their ...