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Perfect Irish Whiskey Glazed Pork Tenderloin Recipe with Easy Roasted Root Vegetables

irish whiskey glazed pork tenderloin - featured image

A comforting and indulgent pork tenderloin glazed with Irish whiskey and served with roasted root vegetables. This quick and easy recipe delivers a perfect balance of sweet, savory, and warm flavors.

Ingredients

Scale
  • 1 pork tenderloin (about 1 to 1.5 pounds / 450680 grams), trimmed of silver skin
  • 1/4 cup Irish whiskey (60 ml), preferably Jameson
  • 2 tablespoons brown sugar
  • 1 tablespoon Dijon mustard
  • 2 cloves garlic, minced
  • 1 tablespoon honey
  • 2 tablespoons olive oil
  • About 4 cups root vegetables, chopped into bite-sized pieces (e.g., 3 medium carrots, 2 medium parsnips, 1 large sweet potato, 1 small red onion quartered)
  • 1 teaspoon fresh thyme, chopped (optional)
  • Salt and black pepper to taste

Instructions

  1. Preheat the oven to 400°F (200°C).
  2. Peel and chop carrots, parsnips, sweet potatoes, and red onion into roughly 1-inch pieces. Toss with 1 tablespoon olive oil, salt, pepper, and half the chopped thyme. Spread evenly on a roasting pan.
  3. Trim the pork tenderloin by removing any silver skin or excess fat. Pat dry with paper towels.
  4. In a small bowl, whisk together Irish whiskey, brown sugar, Dijon mustard, honey, minced garlic, and 1 tablespoon olive oil until smooth.
  5. Heat a skillet over medium-high heat. Sear the pork on all sides for 2-3 minutes per side until golden brown.
  6. Place the seared pork tenderloin among the vegetables on the roasting pan. Brush generously with half the whiskey glaze.
  7. Roast in the oven for 20-25 minutes. Halfway through (about 12-13 minutes), baste the pork with the remaining glaze.
  8. Check the pork’s internal temperature with a meat thermometer; it should reach 145°F (63°C).
  9. Remove the pork from the oven and let it rest for 5-10 minutes before slicing.
  10. Slice the tenderloin into medallions and serve alongside the roasted root vegetables. Sprinkle with remaining fresh thyme.

Notes

Searing the pork before roasting adds a flavorful caramelized crust. Basting the pork halfway through roasting builds layers of glaze flavor. Use a meat thermometer to avoid overcooking; 145°F (63°C) is ideal. Uniformly cut vegetables ensure even roasting. Tent foil over vegetables if they brown too quickly.

Nutrition

Keywords: Irish whiskey, pork tenderloin, roasted root vegetables, whiskey glaze, easy dinner, weeknight meal, comfort food, gluten-free