Irish Pork Loin with Mustard Sauce: A Savory Delight from Ireland

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Irish Pork Loin with Mustard Sauce is a hearty and flavorful dish that highlights the rich tradition of Irish cuisine. This recipe features tender pork loin roasted to perfection, accompanied by a creamy mustard sauce that adds a tangy and savory note to the dish. Whether served for a holiday meal or a cozy family dinner, Irish Pork Loin with Mustard Sauce promises to satisfy with its delicious flavors and comforting appeal. Let’s explore how to prepare this delightful dish that brings the taste of Ireland to your table.


For the Pork Loin:

  • 1 pork loin roast, about 2-3 lbs
  • Salt and freshly ground black pepper, to taste
  • 2 tablespoons olive oil
  • 4 cloves garlic, minced
  • 1 tablespoon fresh rosemary, chopped
  • 1 tablespoon fresh thyme leaves

For the Mustard Sauce:

  • 1 cup chicken or vegetable broth
  • 1/2 cup heavy cream
  • 2 tablespoons Dijon mustard
  • 1 tablespoon whole grain mustard
  • 1 tablespoon honey or brown sugar
  • Salt and freshly ground black pepper, to taste
  • Fresh parsley, chopped, for garnish


1. Prepare the Pork Loin:

  • Preheat the oven to 375°F (190°C).
  • Pat the pork loin roast dry with paper towels. This helps to ensure a crispy exterior when roasting.
  • Season the pork loin generously with salt and pepper on all sides.

2. Sear the Pork Loin:

  • Heat olive oil in a large ovenproof skillet or roasting pan over medium-high heat.
  • Sear the pork loin on all sides until golden brown, about 3-4 minutes per side.
  • Remove the pork loin from the skillet and set aside.

3. Prepare the Mustard Sauce:

  • In the same skillet or roasting pan, lower the heat to medium. Add minced garlic, chopped rosemary, and thyme leaves. Cook for 1-2 minutes until fragrant.
  • Pour in chicken or vegetable broth, scraping up any browned bits from the bottom of the pan.
  • Stir in Dijon mustard, whole grain mustard, and honey or brown sugar. Mix well to combine.
  • Simmer the sauce for 5-7 minutes until it thickens slightly.
  • Stir in heavy cream and continue to simmer for another 2-3 minutes until the sauce is smooth and creamy. Season with salt and pepper to taste.

4. Roast the Pork Loin:

  • Return the seared pork loin to the skillet or roasting pan, nestling it into the mustard sauce.
  • Transfer the skillet or roasting pan to the preheated oven.
  • Roast the pork loin for 50-60 minutes, or until the internal temperature reaches 145°F (63°C) when measured with a meat thermometer inserted into the thickest part of the meat.
  • Baste the pork loin occasionally with the mustard sauce during roasting to keep it moist and flavorful.

5. Rest and Serve:

  • Once the pork loin is cooked through, remove it from the oven and transfer it to a cutting board.
  • Tent the pork loin loosely with aluminum foil and let it rest for 10 minutes. This allows the juices to redistribute throughout the meat, ensuring a juicy and tender roast.
  • Slice the pork loin into thick slices and arrange them on a serving platter.
  • Spoon the warm mustard sauce over the sliced pork loin.
  • Garnish with chopped fresh parsley for a pop of color and freshness.

Tips for Success:

  • Pork Loin Selection: Choose a pork loin roast with a good amount of marbling, which ensures juiciness and flavor when roasted.
  • Searing Technique: Searing the pork loin before roasting locks in moisture and enhances flavor by caramelizing the surface.
  • Mustard Sauce Consistency: Adjust the thickness of the sauce by simmering it longer for a thicker consistency or adding more broth or cream for a thinner sauce.
  • Internal Temperature: Use a meat thermometer to ensure the pork loin reaches the recommended internal temperature of 145°F (63°C) for safe consumption.


  • Apple Cider Glaze: Replace the mustard sauce with a glaze made from apple cider, Dijon mustard, and honey for a sweet and tangy twist.
  • Herb Infusion: Add additional fresh herbs such as sage or thyme to the mustard sauce for added aroma and flavor complexity.
  • Roasting Vegetables: Roast vegetables such as carrots, potatoes, and Brussels sprouts alongside the pork loin for a complete one-pan meal.


Irish Pork Loin with Mustard Sauce is a comforting and satisfying dish that showcases the robust flavors of pork loin complemented by a creamy and tangy mustard sauce. Whether enjoyed for a festive gathering or a cozy family dinner, this recipe offers a taste of Ireland’s culinary heritage with its simple yet flavorful preparation. Embrace the warmth of Irish hospitality with this delicious dish and savor the tender pork loin and velvety mustard sauce that make every bite a delight.

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Written by Robert Zelesky

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