I’ve been making this slow cooker pork loin for years, and it never fails to deliver tender, fall-apart meat every time. The secret is letting the pork cook low and slow until it practically melts in your mouth.
What makes this dish special is the rich gravy that comes together right in the slow cooker. No extra pots, no fuss—just pure, savory flavor that soaks into every bite of the pork.
The meat turns out so tender and juicy, while the gravy picks up all the delicious pork drippings for a sauce that’s deep and satisfying. It’s the kind of meal that makes your kitchen smell amazing all day.
Perfect for Sunday dinner or an easy weeknight meal. Here’s how to make it.
Ingredients for Pork Loin Roast Slow Cooker Recipe with Gravy
Pantry staples and a pork loin roast create this cozy, flavorful meal together.
| Ingredient | Amount | Notes |
|---|---|---|
| Pork Loin Roast 🥩 | 3 lb | Boneless, trimmed of excess fat |
| Chicken Broth 🍲 | 1 ½ cups | Low-sodium preferred for gravy control |
| Onion 🧅 | 1 whole | Yellow or white, diced |
| Garlic Cloves 🧄 | 4 cloves | Minced for full flavor |
| Worcestershire Sauce 🫒 | 2 tbsp | Adds depth to gravy |
| Dijon Mustard 🟡 | 1 tbsp | Smooth, not grainy |
| Dried Thyme 🌿 | 1 tsp | Crushed between fingers |
| Dried Rosemary 🍃 | 1 tsp | Crushed for better release |
| Salt 🧂 | 1 tsp | Kosher or sea salt |
| Black Pepper 🌶️ | ½ tsp | Freshly ground preferred |
| Cornstarch 🌾 | 2 tbsp | For thickening gravy |
| Water 💧 | ¼ cup | Mixed with cornstarch |
| Olive Oil 🫒 | 1 tbsp | For searing pork |
The pork loin is the star here—look for a boneless cut around 3 pounds at your butcher or Costco for the best value. Avoid pre-marinated versions (they add unnecessary sodium). I always grab extra onion and garlic since they form the gravy base. Yellow onions give the best sweetness after slow cooking. If your pork has a thick fat cap, trim it down to about 1/4 inch for even cooking.
No Worcestershire? Soy sauce plus a dash of lemon juice works in a pinch. Dried herbs can be swapped for fresh at triple the amount (so 1 tbsp fresh thyme instead of 1 tsp dried). The Dijon mustard adds tang but regular yellow mustard is fine too. For gluten-free gravy, swap cornstarch for arrowroot powder at the same ratio. Don’t skip the searing step—it adds serious flavor.
Leftovers keep beautifully. Store in the fridge for up to 4 days or freeze for 3 months. The gravy thickens as it cools, so stir in a splash of broth when reheating. This tastes even better the next day once all the flavors meld together.
Why You’ll Love This Recipe
- Set It & Forget It: I toss everything in the slow cooker before work, and dinner’s ready when I walk in the door.
- Rich Garlic Gravy: The onion, garlic, and Worcestershire sauce simmer into a gravy so flavorful, I could drink it with a spoon.
- Sunday Dinner, Any Day: This pork loin feels fancy enough for company but unfussy enough for a regular Tuesday.
- Leftovers for Days: One roast feeds us for two meals—sandwiches the next day taste even better.
Step-by-Step Instructions for Pork Loin Roast With Gravy
Here’s the simple, tested method for fall-apart pork and silky gravy.
Step 1: Sear the Pork Loin Roast
Heat the 1 tbsp Olive Oil in a large skillet over medium-high heat. Pat the 3 lb Pork Loin Roast dry with paper towels, then season evenly with the 1 tsp Salt and 0.5 tsp Black Pepper.
Sear the pork on all sides for 2-3 minutes per side until deep golden brown. This step locks in juices and adds rich flavor to the final dish. Don’t rush—wait for that perfect crust before turning.
Step 2: Combine Aromatics and Sauce in Slow Cooker
Place the seared pork into the slow cooker. Add the diced 1 whole Onion and minced 4 cloves Garlic Cloves around the roast. In a bowl, whisk together the 1.5 cups Chicken Broth, 2 tbsp Worcestershire Sauce, 1 tbsp Dijon Mustard, 1 tsp Dried Thyme, and 1 tsp Dried Rosemary.
Pour this mixture over the pork, ensuring the liquid covers the bottom of the slow cooker. The aromatics will infuse the meat with incredible depth as it cooks. Cover and set to LOW for 6-7 hours or HIGH for 3-4 hours.
Step 3: Prepare the Cornstarch Slurry
About 30 minutes before serving, mix the 2 tbsp Cornstarch with the 0.25 cup Water in a small bowl until smooth. This slurry will thicken the cooking liquid into a luscious gravy.
Stirring the slurry right before using prevents the cornstarch from settling to the bottom. Keep it nearby—you’ll add it to the slow cooker once the pork is tender and ready to serve.
Step 4: Thicken the Gravy and Finish
Once the pork is fork-tender and reaches an internal temperature of 145°F, carefully transfer it to a serving platter. Skim any excess fat from the cooking liquid in the slow cooker, then stir in the cornstarch slurry.
Cover and cook on HIGH for an additional 10-15 minutes, stirring occasionally, until the gravy thickens. Slice the pork against the grain and serve with the rich, flavorful gravy spooned over the top.
Pro Tips For Making Pork Loin Roast Slow Cooker Recipe With Gravy
- Sear First: I learned this the hard way—browning the pork loin in a hot pan for 2-3 minutes per side before slow cooking adds a depth of flavor you just can’t get otherwise.
- Use Low Heat: After burning one too many roasts, I finally figured out that cooking on low for 6-8 hours keeps the pork tender, while high heat can turn it dry and tough.
- Deglaze for Gravy: Sounds weird, but splashing a little chicken broth into the searing pan to scrape up those browned bits gives your gravy a rich, savory base.
- Rest Before Slicing: Give it a solid 10-15 minutes under foil after cooking—this keeps the juices inside the meat instead of all over your cutting board.
Flavor Customization for These Flavors
Herb Infusion Swaps
Swap the thyme and rosemary for 1 tsp dried sage and 1 tsp rubbed oregano for an earthier, more rustic flavor profile. Sage pairs beautifully with pork, especially during fall. 🌿
Sweet and Tangy
Add ¼ cup apple cider vinegar and 2 tbsp brown sugar to the broth mixture for a sweet-tangy twist. This balances the richness and adds a subtle caramelized depth to the gravy.
Spicy Kick
For heat, stir in ½ tsp cayenne pepper or 1 diced jalapeño with the aromatics. The spice mellows during slow cooking, leaving a gentle warmth that complements the pork. 🌶️
Umami Boost
Enhance the gravy with 1 tbsp soy sauce or 1 tsp fish sauce for an umami punch. I prefer Tamari for a gluten-free option. This adds depth without overpowering the dish.
Citrus Brightness
Finish the gravy with 1 tbsp lemon juice or zest from 1 orange just before serving. The citrus lifts the flavors and cuts through the richness of the pork.
Creamy Variation
Stir in ½ cup heavy cream or coconut milk at the end for a velvety, rich gravy. This creates a luxurious sauce that clings beautifully to the pork.
Nutrition Facts
Frequently Asked Questions
Can I cook pork loin on high instead of low?
Yes, but use HIGH for 3-4 hours instead of LOW for 6-7 hours. The shorter time prevents drying out, though low heat yields the most tender results.
Why sear the pork before slow cooking?
Searing creates a flavorful crust and deepens the gravy’s taste. 2-3 minutes per side on medium-high heat is ideal for locking in juices.
How do I fix thin gravy?
Mix 1 tbsp cornstarch with 1 tbsp cold water, stir into the gravy, and cook on HIGH for 10 minutes. Repeat if needed.
What’s the best way to slice pork loin?
Always slice against the grain for maximum tenderness. Let it rest for 10 minutes after cooking to retain juices.
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