
Knowing the correct Cook Time is the key to a succulent, juicy Smithfield pork loin. Whether you’re using an oven, an air fryer, or a microwave, this guide will walk you through the perfect cooking times, methods, and tips to ensure your pork loin is the best.
Smithfield Pork Loin Cook Time

The Smithfield Pork Loin Cook Time varies significantly based on the cooking method, the size of the loin, and desired doneness.
According to Smithfield, a pork loin should be cooked to an internal temperature of 145°F (medium-rare) to 160°F (medium) and typically takes around 15-20 minutes per pound in the oven at 375°F, depending on the thickness of the cut; always use a meat thermometer to ensure proper doneness.
- Oven: Cook at 375°F for about 30-35 minutes per pound.
- Slow Cooker: On low for 6-8 hours or on high for 3-4 hours.
- Grill: Indirect heat at 375°F to 400°F for 30-40 minutes per pound.
- Air Fryer: Cook at 370°F for 12-14 minutes per pound.
- Microwave: For smaller portions, cook at around 700 watts for about 5-6 minutes per pound, turning halfway through.
Here’s a quick reference table:
Method | Temperature | Time per Pound | Note |
Oven | 375°F | 30-35 min | Sear before roasting for flavor |
Slow Cooker | Low/High | 6-8/3-4 hrs | Use liquids for moisture |
Grill | 375-400°F | 30-40 min | Use indirect heat |
Air Fryer | 370°F | 12-14 min | Flip once for even cooking |
Microwave | 700 Watts | 5-6 min | Ensure even heating |
How Do You Calculate Cooking Time for Pork Loin?
Use the guideline of 20-35 minutes per pound at 375°F for oven cooking. Adjust for different methods or oven temperatures based on the size and thickness of the loin.
Guide to Cooking a Smithfield Pork Loin

a) Oven Cooking Method
1.Preheat the Oven
- Preheat your oven to 375°F (190°C).
2. Prepare the Pork Loin:
- Pat the pork loin dry with paper towels.
- Season the pork loin generously with salt, pepper, or any preferred spices or herbs like rosemary or garlic powder.
3. Searing (Optional but Recommended):
- Heat a skillet over medium-high heat with a bit of oil.
- Sear the pork loin for about 3 minutes on each side to get a nice crust.
4. Roast:
- Place the pork loin on a roasting rack in a roasting pan to allow air circulation.
- Insert a meat thermometer into the thickest part of the meat.
5. Cook:
- Roast in the oven for approximately 30-35 minutes per pound.
6. Check Temperature:
- When cooking time is near complete, check the internal temperature. It should be 145°F for medium-rare or 160°F for medium.
7. Rest:
- Remove from the oven and let the pork rest for about 10 minutes to redistribute juices.
8. Serve:
- Slice and serve as desired.
b) Slow Cooker Method
1. Prepare the Pork:
- Season the pork loin with your choice of spices.
2. Searing (Optional):
- For extra flavor, sear the pork in a skillet until browned on all sides.
3. Add to Slow Cooker:
- Place the pork loin into the slow cooker.
4. Add Liquids:
- Pour in liquids like broth, apple cider, or water to keep the pork moist (about 1/2 to 1 cup).
5. Cook:
- Set the slow cooker to low for 6-8 hours or high for 3-4 hours.
6. Check Temperature:
- Use a meat thermometer to ensure the pork has reached an internal temperature of 145°F to 160°F.
7. Rest:
- Let the pork rest for a few minutes after removing from the cooker.
8. Serve:
- Slice and enjoy, using the cooking liquid as a base for gravy if desired.
c) Grill Method
1. Prepare for Grilling:
- Preheat your grill to 375°F to 400°F, setting up for indirect heat.
2. Season the Pork:
- Season the pork loin with your favorite dry rub or marinade.
3. Searing (Optional):
- If you want a crust, sear the pork directly over the heat for 2-3 minutes per side.
4. Grill:
- Move the pork to the indirect heat side of the grill.
- Close the lid and cook for about 30-40 minutes per pound, turning occasionally.
5. Check Temperature:
- Monitor the internal temperature, aiming for 145°F to 160°F.
6. Rest:
- Let it rest for 10 minutes off the grill.
7. Serve:
- Slice and serve, noting the smoky flavors from grilling.
d) Air Fryer Method

1. Preheat Air Fryer:
- Preheat your air fryer to 370°F.
2. Season:
- Season the pork loin with salt, pepper, and herbs or spices.
3. Place in Air Fryer:
- Place the pork into the air fryer basket, ensuring it’s not overcrowded.
4. Cook:
- Air fry for about 12-14 minutes per pound.
5. Flip:
- Halfway through cooking, flip the pork to ensure even cooking.
6. Check Temperature:
- Check the internal temperature to ensure it’s between 145°F and 160°F.
7. Rest:
- Allow the pork to rest for a few minutes post-cooking.
8. Serve:
- Slice and serve, enjoying the crisp exterior and juicy interior.
e) Microwave Method
1. Prepare the Pork:
- For smaller portions or slices, season the pork loin.
2. Choose Dish:
- Place in a microwave-safe dish, ideally with a lid or cover with microwave-safe wrap to trap steam.
3. Cook:
- Microwave at about 700 watts for 5-6 minutes per pound.
4. Turn:
- Turn the pork halfway through to ensure even cooking.
5. Check Temperature:
- Check if the pork has reached 145°F to 160°F internally.
6. Rest:
- Let it rest for a couple of minutes to allow the juices to settle.
7. Serve:
- Serve immediately, keeping in mind that microwave cooking can lead to uneven heating, so ensure thorough cooking.
How to Prevent Pork Loin from Drying Out
- Use a meat thermometer to avoid overcooking.
- Sear before slow cooking or roasting to seal in juices.
- Rest meat after cooking to allow juices to redistribute.
How Long to Cook Pork Loin Per Kg?
The cooking time for pork loin per kilogram can vary, but here’s a guideline for oven cooking at 375°F:
- 1 kg: 50-60 minutes
- 2 kg: 1 hour 40 minutes – 2 hours
- 3 kg: 2 hours 30 minutes – 3 hours
What Herbs Go With Pork?
Here are eight herbs that beautifully complement pork:
- Rosemary
- Thyme
- Sage
- Oregano
- Basil
- Parsley
- Marjoram
- Dill
Is Smithfield Pork Good Quality?
Smithfield pork is renowned for its quality, being one of the largest and most trusted names in pork production.
They focus on sustainability, animal welfare, and quality control, ensuring that their products, including pork loin, are flavorful, consistent, and safe for consumption.
What Is Pork Loin Best For?
Pork loin is versatile and can be:
- Roasted: For a classic, succulent roast dinner.
- Grilled: Ideal for barbecues or quick meals.
- Sliced for Sandwiches: After roasting or grilling, perfect for pulled pork sandwiches.
- Stir-Fried: Thin slices cook quickly, absorbing flavors well.
- Slow Cooked: Great for stews or as part of a hearty soup.
Is It Better to Cook Pork Loin Fast or Slow?
It depends on your desired outcome:
Fast Cooking (like grilling or air frying) is great for achieving a crispy exterior while keeping the inside tender.
Slow Cooking ensures the meat remains moist and tender throughout, making it ideal for tougher cuts or when you want to infuse flavors deeply into the meat.
What’s the Difference Between Smithfield Pork Loin and Tenderloin?
a)Pork Loin
Wide, thick cut from the back of the pig, suitable for roasting or grilling. It’s lean but can be tougher if not cooked correctly.
b) Pork Tenderloin
A narrower, longer muscle that’s very tender and cooks quickly. It’s more delicate and often used for quick-cook methods like pan-searing or broiling.
Different types of Smithfield Pork and their Cook Time
Product name | Cook time | Cooking instructions | Best paired foods | notes |
All Natural Fresh Ground Pork 93/7 | 10-15 min/pound (Pan-fry) | Cook over medium heat until no longer pink for burgers or patties. | Mashed potatoes, steamed vegetables, or a fresh salad. | Leaner than typical ground pork, excellent for those watching fat intake. |
Korean BBQ Marinated Pork Loin Filet | 30-35 min/pound at 375°F (Oven) | Roast in oven, basting occasionally with the marinade for flavor. | Asian slaw, jasmine rice, or kimchi. | The marinade brings a sweet and savory taste, ideal for grilling or oven roasting. |
Sweet & Smoky BBQ Fresh Pork Picnic Shoulder Roast | 30 min/lb at 325°F (Oven) | Place in a roasting pan, cover with foil to retain moisture. | Corn on the cob, baked beans, coleslaw. | Great for slow cooking or smoking, providing a BBQ feast. |
Chipotle Fresh Pork Picnic Shoulder Roast | 30-40 min/lb at 325°F (Oven) | Similar to BBQ roast but with a spicy kick. | Grilled vegetables, spicy rice, or guacamole. | Offers a nice heat level, perfect for those who enjoy a spicy flavor. |
Applewood Smoked Bacon Marinated Fresh Pork Loin Filet | 30-35 min/pound at 375°F (Oven) | Roast until internal temp is 145-160°F, enhancing the bacon flavor. | Green beans, roasted potatoes, or a spinach salad. | The bacon flavor adds a rich, smoky taste, making it a crowd pleaser. |
Lemon & Garlic Marinated Fresh Pork Loin Filet | 30-35 min/pound at 375°F (Oven) | Roast and baste with marinade for an aromatic finish. | Asparagus, roasted Brussels sprouts, or couscous. | Fresh and zesty, this cut pairs well with light, Mediterranean-style dishes. |
Roasted Garlic & Herb Marinated Fresh Pork Loin Filet | 30-35 min/pound at 375°F (Oven) | Roast until center is just pink, capturing the herb flavors. | Mashed sweet potatoes, green beans, or arugula salad. | Ideal for those who love the classic combination of garlic and herbs. |
Roasted Garlic & Cracked Black Pepper Fresh Pork Tenderloin | 20-25 min/pound at 425°F (Oven) | High heat for a quick, tender cook. | Roasted root vegetables, sautéed spinach, or quinoa. | Distinctive flavor with a peppery bite, great for a quick meal. |
Slow Smoked Mesquite Flavor Marinated Fresh Pork Loin Filet | 30-35 min/pound at 375°F (Oven) | Roast to bring out the smoky mesquite flavor. | Grilled corn, baked potatoes, or a hearty grain salad. | Mimics a smoked taste, perfect for those who miss the backyard BBQ taste. |
Slow Roasted Golden Rotisserie Flavors Pork Tenderloin | 20-25 min/pound at 425°F (Oven) | Cook quickly for a rotisserie-like finish. | Rice pilaf, sautéed zucchini, or a mixed greens salad. | Offers that rotisserie chicken vibe but with pork. |
Steakhouse Mushroom Marinated Fresh Pork Loin Filet | 30-35 min/pound at 375°F (Oven) | Roast, allowing the mushroom flavors to meld with the pork. | Grilled asparagus, roasted garlic mashed potatoes, or sautéed mushrooms. | For mushroom lovers, providing an umami-rich experience. |
Sweet Teriyaki Marinated Fresh Pork Tenderloin | 20-25 min/pound at 425°F (Oven) | Cook until caramelized on the outside, tender inside. | Stir-fried veggies, steamed broccoli, or fried rice. | The sweetness of teriyaki balances well with pork’s savory nature. |
Fresh Pork Extra Meaty Back Ribs | 3-4 hours at 275°F (Smoker) or 1-1.5 hours at 350°F (Oven) | Use indirect heat for smoking, wrap in foil for oven baking to tenderize. | BBQ sauce, cornbread, coleslaw. | Meaty ribs for those who prefer less bone, great for slow cooking. |
Fresh Pork Spareribs | 3-4 hours at 275°F (Smoker) or 1.5-2 hours at 350°F (Oven) | Similar to back ribs but with more fat for flavor. | Macaroni and cheese, baked beans, or potato salad. | A classic cut for BBQ enthusiasts, offering rich flavor. |
Fresh Pork St. Louis Style Spareribs | 3-4 hours at 275°F (Smoker) or 1.5-2 hours at 350°F (Oven) | Trimmed for even cooking, perfect for BBQ or oven. | Grilled corn, baked sweet potatoes, or a fresh cucumber salad. | Neat, easy-to-cook ribs with a uniform shape for consistent results. |
FAQs
How Do You Know When Pork Loin is Done?
Check the internal temperature with a thermometer. It should be 145°F for medium-rare, 160°F for medium.
What Happens If You Overcook Pork Loin?
Overcooking can lead to dry, tough meat as the proteins tighten, squeezing out moisture.
Best Cooking Method for Pork Loin?
The oven-roasting method is often cited for its balance of flavor, texture, and ease, especially when you sear first for added taste.
Is Smithfield a Good Brand of Pork?
Yes, Smithfield is recognized for its high-quality pork products, focusing on taste, safety, and sustainability.
How do you cook Smithfield pre-seasoned pork tenderloin?
Preheat your oven to 425°F, place the tenderloin in a roasting pan, and bake for about 20-25 minutes or until it reaches an internal temperature of 145°F. Allow it to rest before slicing for the best results.
How do you cook Smithfield Mesquite pork tenderloin?
You can roast it in an oven preheated to 375°F for 30-35 minutes per pound or grill it using indirect heat at 350-400°F for about 30-40 minutes, ensuring the internal temperature hits 145°F for medium doneness.
How do you cook Smithfield pork tenderloin in a crock pot?
Place the tenderloin in the crock pot with some liquid for moisture, season if you like, and cook on low for 4-6 hours or on high for 2-3 hours until it reaches 145°F internally.
How do you cook Smithfield Teriyaki pork tenderloin?
Bake it in an oven preheated to 425°F for 20-25 minutes, basting with teriyaki sauce, or grill it over medium heat for 15-20 minutes, turning and basting, until it’s at 145°F.
How do I cook pork tenderloin in a crock pot?
Simply add the tenderloin to the crock pot with some liquid, cook on low for 4-6 hours or on high for 2-3 hours, and check with a thermometer to ensure it’s cooked to 145°F.
How do I cook a Smithfield Mesquite BBQ pork loin in a crock pot?
Place the pork loin in the crock pot, optionally sear it first, add BBQ sauce or liquid, and cook on low for 6-8 hours or high for 3-4 hours, aiming for 145-160°F internally.
What is the best way to cook a Smithfield pork loin filet?
The best method depends on preference: roast in an oven at 375°F for 30-35 minutes per pound, or grill on indirect heat at 375-400°F for the same duration per pound, ensuring to rest the meat after cooking.
How do I cook pork tenderloin and have it turn out juicy?
Marinate for flavor, sear briefly for a crust, then cook to an internal temperature of 145°F, and let it rest for 5-10 minutes before slicing to redistribute the juices.
How long should you bake a boneless pork tenderloin Roast, at what temperature?
Bake at 425°F for about 20-25 minutes until the internal temperature is 145°F for a juicy result.
How long does it take to cook pork tenderloin at 350 degrees?
Cooking pork tenderloin at 350°F typically takes 25-30 minutes per pound, but always verify with a thermometer to avoid overcooking.
How long would you cook 24 oz pork tenderloin in a Crock Pot with low, medium, and high settings?
On low, cook for 4-6 hours; on high, it would take 2-3 hours. Most crock pots don’t have a medium setting, so these times are based on standard low and high settings.
What are some ways to cook frozen pork tenderloin?
You can bake it slightly thawed at 350°F for an extra 50% of the normal time, use a crock pot on low for 8-10 hours or high for 4-6 hours, grill on indirect heat with added time, or cook in an air fryer at 400°F for 30-40 minutes, ensuring it reaches 145°F.
Conclusion
By now, you’ve mastered the Smithfield Pork Loin Cook Time with insights into various cooking methods, times, and techniques.
Remember, the key to perfect pork loin lies not just in the cooking but in understanding and applying these detailed strategies. Enjoy your culinary journey with this guide as your companion.