There are few things more welcoming than walking through the door after a long day to the smell of a home-cooked meal already waiting. A slow cooker pork loin supper delivers exactly that—tender, juicy pork loin roasted to perfection alongside hearty potatoes, sweet carrots, and aromatic onions, all in one pot. It is a complete, satisfying dinner that requires almost no hands-on time.
Pork loin is a lean, economical cut that can easily become dry if overcooked. The slow cooker is its ideal companion. Gentle, moist heat transforms the pork into fork-tender perfection while the vegetables cook in the savory juices. The result is a meal that tastes like a Sunday roast but comes together on a busy Tuesday. With just 15 minutes of prep in the morning, you come home to dinner ready to serve.
This slow cooker pork loin supper is designed to be flexible. Use any root vegetables you have on hand—potatoes, carrots, parsnips, sweet potatoes, or onions. Season the pork simply with salt, pepper, garlic, and herbs, or dress it up with a mustard rub or a drizzle of balsamic. However you make it, this one-pot meal will become a family favorite.
Why You Will Love This Slow Cooker Pork Loin Supper
· Complete one-pot meal: Pork and vegetables cook together.
· Hands-off cooking: Set it and forget it.
· Tender, juicy pork: Slow cooking prevents dryness.
· Budget-friendly: Pork loin is an economical cut.
· Great for meal prep: Leftovers are delicious all week.
· Customizable: Use any vegetables or seasonings you like.
· Perfect for busy days: Ready when you are.
Ingredients
Here is everything you need for a slow cooker pork loin supper:
For the Pork:
· 2 to 3 pounds boneless pork loin roast
· 1 teaspoon salt
· ½ teaspoon black pepper
· 1 teaspoon garlic powder
· 1 teaspoon onion powder
· 1 teaspoon paprika (optional)
· 1 tablespoon olive oil (for searing, optional)
For the Vegetables:
· 1½ pounds baby potatoes or Yukon Gold potatoes, halved or quartered
· 4 large carrots, peeled and cut into 2-inch chunks
· 1 large yellow onion, cut into wedges
· 4 cloves garlic, smashed
For the Liquid and Seasoning:
· 1 cup low-sodium chicken broth or vegetable broth
· 1 tablespoon Worcestershire sauce
· 1 teaspoon dried thyme (or 3 sprigs fresh)
· 1 teaspoon dried rosemary (or 2 sprigs fresh)
· 2 bay leaves
For Thickening the Gravy (Optional):
· 2 tablespoons cornstarch mixed with 2 tablespoons cold water (slurry)
For Serving (Optional):
· Fresh parsley, chopped
· Gravy from the slow cooker
Step-by-Step Instructions
Step 1: Season the Pork
Pat the pork loin dry with paper towels. In a small bowl, combine the salt, black pepper, garlic powder, onion powder, and paprika (if using). Rub the seasoning mixture all over the pork loin.
Step 2: Sear the Pork (Optional but Recommended)
Heat the olive oil in a large skillet over medium-high heat. When the oil is shimmering, sear the pork loin for 2 to 3 minutes per side, until deeply browned. Searing adds flavor but can be skipped if you are short on time.
Step 3: Prepare the Slow Cooker
Place the potatoes, carrots, onion wedges, and smashed garlic in the bottom of a 6-quart or larger slow cooker.
Step 4: Add the Pork
Place the seasoned (and seared, if desired) pork loin on top of the vegetables.
Step 5: Add Liquid and Herbs
Pour the chicken broth and Worcestershire sauce around the pork (not directly over the top, to avoid washing off the seasoning). Add the dried thyme, dried rosemary, and bay leaves.
Step 6: Slow Cook
Cover the slow cooker with the lid. Cook on LOW for 6 to 8 hours or on HIGH for 3 to 4 hours. The pork is done when it reaches an internal temperature of 145 degrees Fahrenheit and is fork-tender. The vegetables should be soft.
Step 7: Remove Pork and Vegetables
Carefully transfer the pork loin to a cutting board. Use a slotted spoon to remove the vegetables to a serving platter. Tent the pork and vegetables loosely with foil to keep warm.
Step 8: Make the Gravy (Optional)
Pour the cooking liquid from the slow cooker through a fine-mesh strainer into a saucepan, discarding the bay leaves and herb stems. Skim off excess fat. Bring the liquid to a simmer over medium heat. Whisk in the cornstarch slurry and cook for 1 to 2 minutes until thickened. Season with additional salt and pepper to taste.
Step 9: Slice and Serve
Slice the pork loin into ½-inch thick slices. Arrange the slices on the platter with the vegetables. Pour the gravy over the top or serve on the side. Garnish with fresh parsley.
Cooking Tips and Pro Tips for Best Results
· Do not overcook the pork: Pork loin is lean and can become dry. Use a meat thermometer and cook to 145 degrees Fahrenheit. The slow cooker on LOW for 6 hours is usually perfect for a 2 to 3-pound roast.
· Sear for deeper flavor: Searing creates a golden crust and adds complexity. If you have an extra 5 minutes, it is worth it.
· Use the right size slow cooker: A 6-quart slow cooker is ideal. If your slow cooker is too large, the liquid may evaporate too quickly. Add an extra ½ cup of broth if needed.
· Cut vegetables uniformly: Even-sized chunks ensure they cook at the same rate. Potatoes and carrots should be about 1 to 2 inches.
· Do not lift the lid: Each time you lift the lid, heat escapes and adds 15 to 20 minutes of cooking time. Trust the process.
· Rest the pork before slicing: Let the pork rest for 10 minutes after cooking. This allows the juices to redistribute, keeping the meat moist.
Variations and Substitutions
· Herb-crusted pork loin: Add 1 tablespoon of fresh rosemary and 1 tablespoon of fresh thyme to the seasoning rub.
· Honey mustard pork loin: Whisk together ¼ cup of honey, 2 tablespoons of Dijon mustard, and 2 cloves of minced garlic. Brush over the pork before cooking.
· Balsamic pork loin: Add ¼ cup of balsamic vinegar to the broth. The vinegar adds sweetness and depth.
· Apple pork loin: Add 2 sliced apples (Granny Smith or Honeycrisp) to the vegetables. Use apple cider instead of broth.
· Garlic and herb pork: Add 6 cloves of garlic (smashed) and 4 sprigs each of fresh rosemary and thyme.
· Add more vegetables: Parsnips, sweet potatoes, celery, or turnips are excellent additions.
· Gluten-free: This recipe is naturally gluten-free. Ensure your broth and Worcestershire sauce are gluten-free.
Serving Suggestions
This slow cooker pork loin supper is a complete meal, but it pairs beautifully with:
· Crusty bread: For sopping up the gravy.
· Simple green salad: Adds freshness and crunch.
· Roasted Brussels sprouts or green beans: Extra vegetables on the side.
· Mashed potatoes: If you want even more potatoes.
· Apple sauce: A classic pairing with pork.
Storage and Reheating Instructions
Refrigerator Storage
Store leftover pork and vegetables separately in airtight containers in the refrigerator for up to 4 days. The pork can be stored whole, sliced, or shredded.
Freezer Storage
Pork loin freezes well for up to 2 months. Slice or shred the pork, then place in freezer-safe containers with some of the gravy. Thaw overnight in the refrigerator before reheating. Cooked vegetables do not freeze well—they become mushy.
Reheating Instructions
· Skillet method (best for pork): Reheat slices in a skillet over medium-low heat with a splash of broth or gravy.
· Microwave method: Heat individual portions for 60 to 90 seconds, covering to retain moisture.
· Oven method: Place pork in an oven-safe dish, cover with foil, and reheat at 325 degrees Fahrenheit for 10 to 15 minutes.
Nutritional Information
Approximate per serving (based on 6 servings, pork and vegetables, without gravy):
· Calories: 410
· Protein: 36g
· Fat: 16g
· Saturated Fat: 5g
· Carbohydrates: 30g
· Fiber: 5g
· Sugar: 7g
· Sodium: 520mg
Frequently Asked Questions
Can I use pork tenderloin instead of pork loin?
Pork tenderloin is smaller and leaner than pork loin. It cooks faster and can become dry in the slow cooker. If using tenderloin, reduce the cooking time to 3 to 4 hours on LOW. Check the temperature early.
Do I need to add liquid to the slow cooker?
Yes. The broth creates steam and prevents the pork from drying out. It also becomes the base for the gravy.
Why is my pork tough?
Tough pork usually means it was not cooked long enough, or it was overcooked. Pork loin is lean and can become dry if overcooked. Cook to an internal temperature of 145 degrees Fahrenheit. If it is tough at 6 hours, it may need more time. If it is dry, it was overcooked.
Can I add potatoes at the beginning?
Yes. Potatoes take the same amount of time as pork loin. Cut them into 1 to 2-inch chunks and place them at the bottom of the slow cooker so they cook in the liquid.
Can I make this without searing the pork?
Yes. Searing adds flavor but is not strictly necessary. The pork will still be tender and juicy.
How do I get a thicker gravy?
Make a cornstarch slurry (2 tablespoons cornstarch mixed with 2 tablespoons cold water). Whisk it into the strained cooking liquid and simmer for 1 to 2 minutes until thickened.
Can I cook this on HIGH instead of LOW?
Yes. Cook on HIGH for 3 to 4 hours. LOW is preferred for the most tender results, but HIGH works in a pinch.
Is this recipe gluten-free?
As written, yes. Ensure your broth and Worcestershire sauce are certified gluten-free.
Final Thoughts
Slow cooker pork loin supper is the definition of comfort food made easy. With just 15 minutes of prep in the morning, you can have a complete, home-cooked meal waiting for you at dinner time. The pork emerges tender and juicy, the vegetables are perfectly cooked, and the savory broth becomes a delicious gravy.
This recipe is perfect for busy families, for meal prep, or for those days when you want a hearty, satisfying dinner without spending hours in the kitchen. It is also wonderfully flexible—use whatever vegetables you have on hand, experiment with different herbs, or try a honey mustard or balsamic glaze.
So season that pork, chop those vegetables, and let your slow cooker work its magic. In a few hours, you will have a meal that tastes like a Sunday roast—without the Sunday fuss. Serve it with a sprinkle of fresh parsley and a side of crusty bread, and enjoy every tender, savory bite. That is the beauty of slow cooking—simple ingredients, patient heat, and extraordinary results.