Pork Loin Roast Recipe With Potatoes And Carrots: Herb-Crusted One-Pan Meal

This herb-crusted pork loin roast is the centerpiece of a hearty one-pan meal that comes together with minimal effort. The secret lies in a simple rub that transforms ordinary ingredients into something extraordinary.

I developed this method after testing various herb combinations, settling on a blend that creates a golden crust while keeping the meat juicy. The potatoes and carrots soak up the flavorful drippings, making every bite delicious.

With just 15 minutes of prep and a single pan, you’ll have a complete dinner that looks and tastes impressive. The pork cooks to tender perfection while the vegetables caramelize alongside it.

Perfect for Sunday dinners or weeknight meals when you want something special without the fuss. Here’s how to make it.

Ingredients for Pork Loin Roast Recipe with Potatoes and Carrots

One pan, one roast, and vegetables that soak up every bit of flavor. Simple yet impressive.

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The pork is the star here. Center-cut boneless loin gives you even cooking and that perfect crust—avoid the pre-seasoned versions (they’re usually over-salted). I grab mine from Whole Foods or Costco; both have reliable quality. Look for a roast with a thin fat cap; trim it to about 1/4-inch if needed. The Yukon Golds? Their waxy texture holds up better than russets during roasting.

No fresh rosemary or thyme? Dried herbs at one-third the amount work in a pinch (just rehydrate them in the mustard for 10 minutes). Swap carrots for parsnips or sweet potatoes if that’s what’s in season. Out of Dijon? Whole-grain mustard adds a nice texture, or use a mix of yellow mustard and a pinch of turmeric for color. The smoked paprika is key—don’t skip it (or substitute with regular).

Leftovers keep 4-5 days in the fridge and actually taste better the next day. Freeze portions for up to 3 months. Reheat gently in the oven (350°F) to keep the pork from drying out. The potatoes and carrots? They’ll soften more, but the flavor’s still there.

Step-by-Step Instructions for Pork Loin Roast With Potatoes And Carrots

This one-pan method ensures tender pork, crispy potatoes, and caramelized carrots with minimal effort.

Step 1: Prep and Season the Pork Loin Roast

Pat the 2 lb Pork Loin Roast completely dry with paper towels—this is non-negotiable for achieving a good sear. In a small bowl, combine the 2 tbsp Fresh Rosemary, 2 tbsp Fresh Thyme, 1 tsp Dried Oregano, 1 tsp Smoked Paprika, 1.5 tsp Kosher Salt, and 1 tsp Black Pepper.

Rub the 2 tbsp Dijon Mustard all over the pork loin, then press the herb mixture onto the surface, creating an even crust. Drizzle with 2 tbsp Olive Oil and let it sit at room temperature for 20 minutes to absorb the flavors. The mustard acts as a binder, ensuring the herbs adhere perfectly.

Step 2: Prepare the Vegetables

Toss the 1.5 lb Yukon Gold Potatoes (cut into 1.5-inch chunks) and 1 lb Carrots (peeled and cut into thick sticks) with the remaining 1 tbsp Olive Oil, ½ tsp Kosher Salt, and ½ tsp Black Pepper. Spread them in a single layer on a large roasting pan.

Push the vegetables to the edges of the pan, creating a well in the center for the pork loin. This arrangement allows the juices from the pork to drip onto the vegetables, infusing them with rich, savory flavor as they roast.

Step 3: Roast Until Golden and Tender

Preheat your oven to 425°F. Place the seasoned pork loin in the center of the pan with the vegetables. Roast for 25 minutes, then reduce the heat to 375°F and continue roasting for another 25-30 minutes, or until the internal temperature reaches 145°F.

Halfway through cooking, stir the vegetables and baste the pork with 0.5 cup Chicken Stock to keep it moist. The pork is done when the crust is golden brown and a meat thermometer inserted into the thickest part reads 145°F. The vegetables should be tender and caramelized.

Step 4: Rest and Serve

Transfer the pork loin to a cutting board and tent loosely with foil. Let it rest for 10 minutes—this step ensures the juices redistribute, keeping the meat tender and flavorful. The internal temperature will rise to about 150°F during this time.

Slice the pork into ½-inch thick pieces and serve with the roasted potatoes and carrots. Spoon any pan juices over the top for extra moisture and flavor. The vegetables should be fork-tender with crispy edges, and the pork should be juicy with a fragrant herb crust.

Dietary Considerations for This Dish

Gluten-Free Friendly

This dish is naturally gluten-free as written, with no wheat-based ingredients. Just double-check your Dijon mustard label—some brands add flour. I prefer Annie’s or Maille for their clean ingredient lists. The herb crust and roasting method work perfectly without any modifications. 💪

Low-Carb Adaptations

To reduce carbs, swap the 1.5 lb Yukon Gold Potatoes for 1.5 lb cauliflower florets. They’ll roast beautifully with the same seasoning. You can also replace carrots with zucchini chunks or Brussels sprouts. The pork and herbs remain unchanged.

Dairy-Free Note

This recipe contains no dairy, making it safe for lactose-intolerant diners. The mustard and olive oil base ensures rich flavor without butter or cream. Even the chicken stock is typically dairy-free, but verify your brand if sensitive.

Allergen Awareness

Watch for cross-contamination if using shared roasting pans. The Dijon mustard may contain sulfites or seed oils. For nut allergies, confirm your spices are processed in nut-free facilities. I always wipe down my pan with vinegar first.

Sodium Considerations

To lower sodium, use low-sodium chicken stock and reduce the Kosher salt by half. The smoked paprika and herbs still deliver big flavor. Taste before serving—you can always add a pinch more salt at the table.

For those on strict low-sodium diets, omit added salt entirely and rely on the mustard and herbs for seasoning. 🌿

Frequently Asked Questions