Preheat the oven to 400°F
Pat the pork tenderloin dry
Trim any silver skin
Season all sides with salt and pepper
Add optional seasonings like garlic powder, paprika, thyme, or rosemary
Heat an oven-safe skillet over medium-high heat
Add oil to the skillet
Sear the tenderloin on all sides until browned
Transfer the skillet to the oven
Roast until the internal temperature reaches 145°F
Remove from the oven
Rest the pork for 5 to 10 minutes
Slice and serve