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Dinner · Part 2 of 3: Instructions

Garlic Herb Pork Roast with Crispy Potatoes Step-by-step instructions

A succulent, sliced garlic herb pork roast served with golden, crispy potatoes on a roasting pan.
Prep
Cook
Total
Serves
4
Includes 10 min resting

Before you start

Start by gathering all necessary ingredients and preheating the oven to the required temperature. Ensure the pork is removed from the refrigerator about 20 minutes before it goes into the oven to take the chill off, which helps it cook more evenly.

Wash and scrub the potatoes thoroughly, patting them dry to ensure they crisp up well in the oven. Prepare the garlic and herbs by chopping them finely, and have your roasting pan ready on the counter to streamline the assembly process.

Ingredients at a glance (4)
  • 2 lb pork loin
  • 1 lb potatoes, scrubbed and cut into chunks
  • mixed fresh herbs, to taste
  • 3 cloves garlic, minced

Instructions

Seasoning and Assembly

  1. Prepare the Roast and Potatoes
    Preheat the oven to 400°F (200°C). Place the pork loin in the center of a roasting pan. Arrange the potato chunks around the pork. Rub the minced garlic and chopped fresh herbs evenly over the surface of the pork and the potatoes to ensure deep flavor infusion.
    Look for The pork and potatoes are evenly coated in herbs.
    Tip Ensure the potatoes are cut into uniform pieces so they roast at the same rate.

The pork and potatoes should be thoroughly coated with the garlic and herb mixture. Ensure the garlic is evenly distributed and the herbs are adhering well to the surfaces.

Everything should be arranged in a single layer in the roasting pan, with the pork centrally located and the potatoes spread out around the edges to ensure even roasting and proper browning throughout the cooking process.

Roasting in the Oven

  1. Roast the Pork and Potatoes
    Place the roasting pan into the preheated oven. Bake the pork and potatoes for approximately 45 to 60 minutes. The pork should reach an internal temperature of 145°F (63°C) when measured with a meat thermometer at the thickest part. Let the meat rest at least 3 minutes before slicing. The potatoes should be golden brown and tender when pierced with a fork.
    Look for The pork is golden on the outside and the potatoes are crispy.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Check the internal temperature early to avoid overcooking the lean pork loin.

During this phase, look for the pork to develop a golden-brown crust while the potatoes become tender and crispy. You should hear the sound of the fat sizzling in the pan. The kitchen will fill with the aromatic scent of roasted garlic and fresh herbs. Use a thermometer to check the pork's internal temperature to ensure it reaches the safe 145°F (63°C) mark before removing the pan.

Resting and Slicing

  1. Rest and Serve
    Remove the roasting pan from the oven. Transfer the pork loin to a cutting board and let it rest for at least 3 minutes, though 10 minutes is ideal for maximum juiciness. Slice the pork into thick pieces and serve immediately alongside the crispy roasted potatoes, ensuring the herb crust is distributed on the plates.
    Look for The juices redistribute within the meat, making it tender and moist.
    Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
    Tip Cover the pork loosely with foil while resting to keep it warm.

After removing the pan from the oven, the pork must rest on a cutting board. The surface should be firm but yielding to the touch. Once rested, the meat will be moist and easy to slice into clean, uniform pieces. The potatoes should be hot and crispy, ready to be plated immediately alongside the sliced pork for a perfectly balanced and comforting meal that is ready to serve.

Common mistakes

A common mistake is overcrowding the roasting pan, which prevents the potatoes from crisping and causes them to steam instead. Ensure there is enough space for air to circulate around each piece.

Another error is failing to let the meat rest; cutting into the pork too soon causes the juices to run out, resulting in dry meat. Always aim for a resting period of at least 3 to 10 minutes to allow the fibers to relax and retain moisture, ensuring every slice is succulent.

How to tell it’s done

The pork loin is perfectly done when it reaches an internal temperature of 145°F (63°C) at the thickest part. Use a meat thermometer to verify this, as visual cues can be deceptive. Once the pork hits this temperature, remove it from the oven immediately to prevent drying out.

The potatoes should be tender and easily pierced with a fork, with a golden-brown, crispy exterior that offers a satisfying crunch when bitten, indicating they are fully cooked and ready for serving.

  • Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest

Coming up in Part 3: common questions

  • Can a different cut of meat be used for this recipe?
  • Why did the potatoes turn out soft instead of crispy?
  • Is it necessary to peel the potatoes?

Also in Part 3: variations (Lemon Garlic Roast, Spicy Herb Roast), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)