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Apple and Walnut Stuffed Tenderloin

Apple and Walnut Stuffed Tenderloin

  • Author: wellness sleuth
  • Total Time: 45 minutes
  • Yield: 4 1x


This Apple and Walnut Stuffed Tenderloin recipe is a delicious and healthy way to enjoy a delicious dinner. The tenderloin is stuffed with apples and walnuts, then baked until it is tender and juicy.


  • 3 T. olive oil, divided
  • 1 small red onion, diced
  • 2 medium apples, peeled and diced
  • ¼ c. walnuts, roughly chopped
  • 2 T. breadcrumbs
  • 2 t. fresh thyme
  • 2 lb. pork tenderloin, butterflied
  • salt and pepper to taste


  • Preheat the oven to 350°F.
  • Soak 6-8 toothpicks in a bowl of water. This is to prevent the toothpicks from burning in the oven.
  • Heat a tablespoon of olive oil in a large skillet and add in the onion and apples. Cook, stirring occasionally, until the onions become slightly soft and translucent, around 3-4 minutes.
  • Remove from heat and add in the walnuts, breadcrumbs, and fresh thyme. Season generously with salt and pepper to taste. Set aside.
  • Lay the pork tenderloin on a flat surface and cover with plastic wrap. Pound the meat with a meat mallet until around ½ inch thick. 
  • Spread the apple and walnut mixture over the meat and tightly roll the tenderloin like a jellyroll. Secure with toothpicks. Brush the tenderloin with the remaining olive oil and season generously with salt and pepper on all sides.
  • Place the same skillet you used to cook the onion and apples on high heat. 
  • Add the pork tenderloin to the hot skillet and sear until golden on all sides, around 5-6 minutes.
  • Transfer the tenderloin to the preheated oven and roast until fully cooked through in the middle, 20-30 minutes. The temperature in the thickest part of the meat should read 155°F with an instant-read thermometer (like this one -  Replace with your own affiliate link). 
  • Remove from the oven. Cover loosely with foil and allow to rest for at least 15 minutes. Remove toothpicks, slice and serve. Enjoy!
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
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