The lightly spiced mustard and bourbon sauce liven up a pork tenderloin nicely. The pork is marinated for 4 hours or overnight, so plan to start the recipe early. While this recipe takes time to marinate it's very easy to assemble and the actual cook time is relatively short. A little pre-planning will make for one tasty dinner. This recipe would be ideal for a dinner party where you want to get the lion's share of the meal prep done before your guests even arrive. This also helps save on some of the cleanup. A tenderloin is a cut of meat that runs along the animal's spine. As this muscle is generally used only for posture it's considered one of the tenderest cuts of meat. Pork tenderloin is a tasty and cost-saving alternative to beef tenderloin without losing any of the tenderness. Crusted and fried, pork tenderloin medallions make delicious sandwiches, and it's elegant enough for a special meal. Real kentucky bourbon is used in the creation of the sauce. While this sauce does use alcohol, most of it is burned off in the cooking process leaving the flavor behind. You will not feel any effects of the alcohol used in the creation of bourbon sauce.