Trim any silver skin and excess fat from the pork tenderloin
Pat the meat dry with paper towels
Season with salt, pepper, and any desired spices or herbs
Optionally marinate for 30 minutes to 24 hours in the refrigerator
Preheat the oven, grill, or skillet before cooking
Sear the tenderloin in a hot pan if desired for added color
Cook until the internal temperature reaches 145°F
Let the pork rest for 5 to 10 minutes before slicing
Slice against the grain and serve