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Roasted Pork Tenderloin With Mushrooms, Thyme & Balsamic Onions

Roasted Pork Tenderloin With Mushrooms & Balsamic Onions

Prep Time: 25 minutes
Cook Time: 30 minutes
Total Time: 55 minutes
Author: Irena Macri
Servings: 6
Course: Main
Cuisine: French
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4.89 from 9 votes
Calories: 418kcal
French-inspired pork tenderloin roasted to perfection in the oven and topped with caramelised balsamic onions, pecans and mushrooms. Perfect for a weekend dinner and entertaining.

Ingredients 

For the pork

  • 1.2 kg pork tenderloins 2.6 lbs. / 2 whole tenderloins
  • 1 teaspoons sea salt
  • 1 teaspoon ground black pepper
  • 1/4 teaspoon ground nutmeg
  • 1/2 teaspoon ground cinnamon
  • 1 teaspoon onion powder optional
  • 1 tablespoon coconut oil
  • 2 large red onions cut into 8 wedges each
  • 2 tablespoons olive oil
  • A little extra salt

For balsamic mustard onions

  • 1/2 medium red onion finely diced
  • 1 teaspoon Dijon mustard
  • 1 tablespoon aged Balsamic vinegar or 1 tablespoon regular balsamic mixed in with 1 teaspoon honey or maple syrup
  • Pinch of salt
  • 1 tablespoon olive oil

For the mushrooms

  • 200 g cremini mushrooms 7 oz. wiped and cut in halves
  • 1 tablespoon olive oil
  • 1 tablespoon butter or ghee, coconut oil/lard for completely dairy-free
  • 1/2 teaspoon sea salt
  • 2 garlic cloves finely diced

For the finishing sauce & garnishes

  • 1 tablespoon butter or ghee
  • 2 cloves of garlic roughly diced
  • 2-3 sprigs of fresh thyme
  • 5-6 pecans or walnuts chopped roughly

Instructions

  • Prepare the pork.
    In a small bowl, combine sea salt with spices and pepper. Rub the spice mix into the pork tenderloins on both sides and set aside for 15-20 minutes. You can do this ahead of time, then wrap the meat in Gladwrap or place in an airtight container and leave in the fridge overnight (make sure to bring the meat to room temperature before cooking).
  • Prepare the balsamic onions.
    Combine diced onions with balsamic vinegar, mustard, salt and olive oil in a small bowl and set aside to pickle for 15-20 minutes. This can also be done ahead of time and stored in the fridge.
  • Cook the pork.
    Preheat the oven to 175-180 C / 350-360 F. In a large frying pan or a skillet, heat 1 tablespoon of coconut oil over high heat. Cut the tenderloins in two halves, so they can fit in the pan. Cook over high-medium heat for 4 minutes on each side.
  • Drizzle a tablespoon of olive oil or coconut oil in a flat baking tray and transfer the pork pieces to the middle. Arrange the wedges of red onions around the meat and drizzle with another tablespoon of olive oil, then sprinkle with a little salt. Place the tray in the oven, middle shelf, for 18 minutes. Turn the pork over half way through and rotate the tray around for even cooking.
  • Cook the mushrooms.
    Heat a tablespoon each of olive oil and butter (or ghee) in a frying pan over medium-high heat. Add the mushrooms and season with half a teaspoon of salt. Pan-fry for 10 minutes, stirring a few times. At the 8-minute mark, add the garlic and cook for the remaining 2 minutes, stirring a couple of times. Once cooked, remove the mushrooms to a bowl.
  • While the pork and mushrooms are cooking, pre-chop some pecans, or other nuts of choice.
  • Finish the pork.
    Remove the tray from the oven and transfer the pork to a cutting board and the onions to a bowl. Pour any leftover juices into an empty skillet or a frying pan and add a tablespoon of butter (or ghee), thyme leaves and garlic. Place over medium-high heat and cook for 1-2 minutes, stirring through. Slice the pork (on an angle) into thick pieces and add to the pan, including any pork juices. Stir through with the thyme and garlic sauce and remove from the heat.
  • Assemble the dish.
    Transfer the pork pieces to a large serving plate and scatter the roasted onions and mushrooms over and around the meat. Pour any remaining thyme and garlic jus over the top. Sprinkle evenly with the pickled balsamic and mustard onions and chopped pecans. You can garnish the dish with a few fresh thyme sprigs or chopped chives, parsley or scallions/green onions for some greenery. Serve right away.

Nutrition

Calories: 418kcal | Carbohydrates: 8g | Protein: 43g | Fat: 23g | Saturated Fat: 8g | Polyunsaturated Fat: 3g | Monounsaturated Fat: 11g | Trans Fat: 0.2g | Cholesterol: 140mg | Sodium: 730mg | Potassium: 1031mg | Fiber: 1g | Sugar: 3g | Vitamin A: 141IU | Vitamin C: 5mg | Calcium: 42mg | Iron: 2mg
Keywords: Pork tenderloin, Mushroom Recipes, Roasted pork, Balsamic vinegar, Healthy Dinners
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