Place the pork tenderloin in a large bowl or plastic bag and pour the Italian dressing over it, ensuring the meat is fully coated. Cover the bowl and refrigerate for 24 hours to allow the flavors to infuse.
1 bottle Italian salad dressing, 2 pounds pork tenderloin
Preheat your oven to 375°F (190°C). While the oven is heating, line a baking sheet with aluminum foil for easy cleanup. In a small bowl, mix together the garlic, basil, oregano, thyme, parsley, and sage. Set the bowl aside to keep the herbs ready for later.
2 tablespoons garlic, 1 teaspoon basil, 1 teaspoon oregano, 1 teaspoon thyme, 1 teaspoon parsley, 1/2 teaspoon sage
Remove the pork tenderloin from the marinade and discard the marinade. Place the meat on a flat surface, then generously season all sides with salt and pepper.
1 tablespoon sea salt, 1/2 teaspoon black pepper
In a large skillet, heat the olive oil over medium-high heat until it becomes hot and shimmery. Add the pork tenderloin to the pan and sear it quickly on all sides, cooking until it’s a dark golden brown. Carefully transfer the seared pork tenderloin to the prepared baking sheet. Generously sprinkle the herb mixture over the pork tenderloin.
2 tablespoons olive oil, 4 tablespoons butter
Wrap the pork tenderloin tightly in foil and roast it in the preheated oven until it reaches an internal temperature of 145°F at the thickest part, which should take about 30 minutes for a 2-pound roast. Slice the butter into 6 individual pats and set aside to come to room temperature while the meat roasts.
Once the pork reaches the desired temperature, remove it from the oven and carefully pull back the foil to expose the meat. Dot the surface with butter, allowing it to melt into the warm pork. Re-tent with the foil and let it rest for at least five minutes, giving the juices time to redistribute while the butter enhances the garlic and herbs. Slice the pork tenderloin against the grain and serve immediately. For an 'added dose of Southern,' top it with Jezebel Sauce.