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Garlic Parmesan Pork Tenderloin - Juicy, Flavorful, and Weeknight-Friendly

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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Ingredients Method

Ingredients
  

  • 1–1.5 lb pork tenderloin, silver skin trimmed
  • 1/2 cup finely grated Parmesan cheese (preferably freshly grated)
  • 4 cloves garlic, minced
  • 2 tablespoons olive oil, plus more for searing
  • 1 tablespoon Dijon mustard
  • 1 teaspoon kosher salt (plus more to taste)
  • 1/2 teaspoon black pepper
  • 1 teaspoon Italian seasoning or a mix of dried thyme, oregano, and basil
  • 1/2 teaspoon smoked paprika (optional, for warmth and color)
  • 1 teaspoon lemon zest
  • 2 tablespoons fresh parsley, finely chopped (plus extra for garnish)
  • 1 tablespoon butter (optional, for finishing)
  • Lemon wedges, for serving

Method
 

  1. Preheat and prep: Heat the oven to 400°F (200°C). Pat the pork tenderloin dry with paper towels. Trim any silver skin so the crust adheres well.
  2. Mix the garlic-Parmesan paste: In a small bowl, combine Parmesan, minced garlic, olive oil, Dijon mustard, salt, pepper, Italian seasoning, smoked paprika (if using), lemon zest, and parsley. Stir into a thick, spreadable paste.
  3. Season the pork: Lightly season the tenderloin with a pinch of salt and pepper. This base layer helps keep the flavor balanced.
  4. Sear for color: Heat a large oven-safe skillet over medium-high. Add a thin film of olive oil. Sear the pork on all sides until lightly browned, about 1–2 minutes per side. Turn off the heat.
  5. Coat with the crust: Using a spatula or the back of a spoon, spread the garlic-Parmesan paste over the top and sides of the seared tenderloin. Press gently so it adheres.
  6. Roast: Transfer the skillet to the oven. Roast for 12–18 minutes, depending on thickness, until the internal temperature reaches 140–145°F (60–63°C) at the thickest part.
  7. Optional butter baste: Dot the top with butter during the last 3 minutes for extra gloss and richness.
  8. Rest: Remove from the oven and let the pork rest on a cutting board for 5–8 minutes. This keeps it juicy.
  9. Slice and serve: Cut into 1/2-inch medallions. Spoon any pan juices over the top. Finish with a sprinkle of parsley and a squeeze of lemon.