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This 1 2 pork loin roast recipe delivers perfectly herb-crusted meat with caramelized edges every time.
At The Smoky Pig, we handle thousands of pounds weekly, and this method never fails. The key is a simple herb rub and precise roasting temperature.
You'll get tender, juicy pork with a golden crust that locks in flavor. The resting period ensures every slice stays moist and flavorful.
Serve with roasted vegetables or mashed potatoes for a complete meal. Simple ingredients yield restaurant-quality results.
Ingredients for 1 2 pork loin roast
Eleven ingredients transform a simple pork loin into herb-crusted, caramelized perfection every time.
| Ingredient | Amount | Notes |
|---|---|---|
| Pork Loin Roast 🥩 | 1 ½ lb | Boneless, trimmed of excess fat |
| Kosher Salt 🧂 | 1 ½ tsp | Diamond Crystal preferred for texture |
| Freshly Ground Black Pepper 🌶️ | 1 tsp | Coarse grind for crust |
| Dried Rosemary 🌿 | 1 tbsp | Crushed to release oils |
| Dried Thyme 🍃 | 1 tbsp | Rubbed between fingers before use |
| Garlic Powder 🧄 | 1 tsp | Not garlic salt substitute |
| Onion Powder 🧅 | 1 tsp | Freshly opened for potency |
| Olive Oil 🫒 | 2 tbsp | Extra-virgin for richness |
| Dijon Mustard 🟡 | 1 tbsp | Smooth, not whole-grain |
| Fresh Garlic Cloves 🧄 | 4 cloves | Minced for herb paste |
| Fresh Rosemary Sprigs 🌿 | 2 whole | Optional for garnish |
| Fresh Thyme Sprigs 🍃 | 4 whole | Optional for garnish |
The pork loin quality is non-negotiable. Opt for boneless, center-cut roasts with even marbling—avoid pre-seasoned or enhanced cuts. Costco and Whole Foods carry excellent options; ask the butcher for a 1.5-pound piece if not pre-packaged. The herb rub relies on freshly opened dried herbs for maximum potency. Avoid pre-ground black pepper; whole peppercorns crushed just before use deliver superior aroma.
No fresh herbs for garnish? Dried work at half the volume. Substitute garlic powder with fresh minced garlic at double the amount (use 2 tsp minced per 1 tsp powder). If Dijon mustard is unavailable, whole-grain mustard adds texture but may alter the crust’s appearance. Avocado oil can replace olive oil for a neutral flavor profile.
The roast can rest at room temperature for 30 minutes before cooking. Leftover herb paste keeps in an airtight container for 3 days refrigerated. Cooked pork stores for 4 days; slice only before serving to retain moisture. Freeze portions for up to 3 months.
Why You'll Love This Recipe
- Set It and Forget: I rub the pork loin with salt, pepper, rosemary, and thyme, pop it in the oven, and let it do its thing—no babysitting required.
- Herb-Crusted Perfection: The combo of rosemary and thyme gives the pork a fragrant, savory crust that’s honestly hard to resist.
- Feeds a Crowd: One roast serves six easily, making it my go-to for Sunday dinners or when the in-laws drop by unannounced.
- Leftover Magic: Cold slices make the best sandwiches the next day—between us, I sometimes roast extra just for that.
Step-by-step instructions for herb-crusted pork loin roast
Master the technique for a perfectly seasoned crust and juicy interior every time.
Prepare the Herb Paste and Season the Roast
In a small bowl, combine the 1 tbsp Dijon mustard, 2 tbsp olive oil, minced 4 cloves fresh garlic cloves, 1.5 tsp kosher salt, 1 tsp freshly ground black pepper, 1 tsp garlic powder, and 1 tsp onion powder. Stir until a thick paste forms.
Rub this mixture evenly over the entire surface of the 1.5 lb pork loin roast. I use my hands for this—it ensures every inch is coated. Then, sprinkle the 1 tbsp dried rosemary and 1 tbsp dried thyme over the paste, pressing gently so the herbs adhere.
Let the seasoned roast sit at room temperature for 30 minutes to allow the flavors to penetrate the meat. This step also takes the chill off the roast, which helps it cook more evenly.
Preheat and Sear for Caramelized Crust
Preheat your oven to 425°F. While it heats, place a large oven-safe skillet (cast iron works perfectly) over medium-high heat. Once hot, add the pork loin roast, fat-side down. Sear for 2-3 minutes until the surface develops a deep golden-brown crust.
Flip the roast and sear the other side for another 2-3 minutes. You’re looking for a rich, caramelized exterior that locks in juices. If the pan starts to smoke excessively, reduce the heat slightly, but maintain enough to achieve a good sear.
This high-heat sear is non-negotiable—it creates the Maillard reaction, which is responsible for those complex, savory flavors and the promised caramelized edges.
Roast to Perfect Doneness
Transfer the skillet with the seared pork loin roast to the preheated oven. Roast for 20-25 minutes, or until the internal temperature reaches 145°F on an instant-read thermometer inserted into the thickest part of the roast.
I check the temperature after 15 minutes to gauge progress. The roast is done when the juices run clear and the meat feels slightly firm but still yields to gentle pressure. Avoid overcooking—pork loin can become dry if left in the oven too long.
If you notice the herbs on top browning too quickly, loosely tent the roast with foil to prevent burning while allowing the meat to continue cooking.
Rest and Garnish Before Serving
Remove the roast from the oven and transfer it to a cutting board. Tent loosely with foil and let it rest for 10-15 minutes. This resting period allows the juices to redistribute, ensuring every slice is moist and flavorful.
While the roast rests, the internal temperature will rise by 5-10°F due to carryover cooking. This is why we pull it at 145°F—it will reach the safe 150-155°F range without overcooking.
Slice the roast against the grain into ½-inch thick medallions. Garnish with the 2 whole fresh rosemary sprigs and 4 whole fresh thyme sprigs for a restaurant-worthy presentation. Serve immediately with your favorite sides.
Pro Tips For Making 1 2 Pork Loin Roast
- Use a Meat Thermometer: Pull the pork loin at 145°F—any higher and it turns dry, no matter how perfect your seasoning is. I learned this the hard way after serving a batch that could’ve doubled as a hockey puck. ---
- Dry the Meat First: Pat the pork loin completely dry with paper towels before seasoning. Sounds obvious, but skipping this means your rosemary and thyme just clump and steam instead of sticking and crisping. ---
- Skip the Cold Roast: Let the pork loin sit on the counter for 30-45 minutes before cooking. A cold roast cooks unevenly, and you’ll end up with dry edges by the time the center hits temp. ---
- Crush the Herbs: Rub the dried rosemary and thyme between your palms before sprinkling—it wakes up the oils and actually makes the seasoning taste like something. My grandmother swore by this, and she was right.
Perfect pairings for this dish
Wine Pairings
A medium-bodied Pinot Noir from Oregon complements the herb crust beautifully. Its bright acidity cuts through the richness while enhancing the rosemary and thyme notes. I love Domaine Drouhin for this pairing.
Beer Options
For beer lovers, a crisp German Pilsner like Warsteiner offers a clean, refreshing contrast. The light bitterness balances the pork's savory depth. Avoid heavy stouts that can overwhelm the dish.
Side Dishes
Garlic mashed potatoes are my go-to—they soak up every bit of flavor from the roast. Use 2 lbs Yukon Golds and ½ cup whole milk for creamy texture. 💛
Roasted Brussels sprouts with balsamic glaze add a tangy contrast. Toss 1 lb halved sprouts with 2 tbsp olive oil and roast at 400°F for 20 minutes.
Fresh Accompaniments
A simple apple-fennel salad brings brightness to the plate. Thinly slice 1 fennel bulb and 1 crisp apple, then toss with 1 tbsp lemon juice. The anise notes pair wonderfully with pork.
Sauce Pairing
Serve with a Dijon cream sauce for extra richness. Whisk ¼ cup heavy cream with 1 tbsp Dijon mustard and 1 tsp honey over low heat until slightly thickened. Drizzle lightly over each slice. 🔥
Nutrition facts
Frequently asked questions
What internal temperature should I aim for?
Pull the roast at 145°F—it will rise to 150-155°F while resting. This ensures juicy meat without overcooking.
How long should I let it rest before slicing?
Rest for 10-15 minutes under loose foil. This allows juices to redistribute, keeping every slice tender and flavorful.
Can I use fresh herbs instead of dried?
Yes, but use half the volume. Fresh herbs have more moisture, so 2 tsp fresh replaces 1 tsp dried.
Why did my herb crust burn in the oven?
Tent the roast with foil if herbs brown too quickly. High heat is needed for searing, but watch closely during roasting.