This crock pot creation delivers tender pork and perfectly cooked potatoes with minimal effort. The slow cooker transforms simple ingredients into a meal that tastes like it required hours of attention.
The secret lies in the herb blend and precise layering. Pork tenderloin stays juicy while potatoes absorb the savory flavors, creating a complete dish that serves itself.
You’ll end up with fall-apart pork and potatoes that have soaked up every bit of the aromatic cooking liquid. The result is elegant enough for guests but simple enough for any weeknight.
Set it in the morning and come home to a meal ready to serve. This method guarantees consistent, delicious results every time.
Ingredients for Pork Tenderloin and Potatoes Crock Pot
Tender pork and perfectly cooked potatoes start with just these ingredients in your slow cooker.
| Ingredient | Amount | Notes |
|---|---|---|
| Pork Tenderloin 🥩 | 1 ½ lb | Trimmed of excess fat |
| Yukon Gold Potatoes 🥔 | 1 ½ lb | Cut into 1-inch chunks |
| Onion 🧅 | 1 whole | Yellow or white, diced |
| Garlic Cloves 🧄 | 4 cloves | Minced for depth |
| Chicken Broth 💧 | 1 cup | Low-sodium preferred |
| Dried Thyme 🌿 | 1 tsp | Crushed between fingers |
| Dried Rosemary 🌿 | 1 tsp | Finely chopped |
| Paprika 🌶️ | 1 tsp | Sweet or smoked variety |
| Dijon Mustard 🟡 | 1 tbsp | Smooth, not grainy |
| Worcestershire Sauce 💧 | 1 tbsp | Adds umami depth |
| Olive Oil 🫒 | 2 tbsp | Extra-virgin for richness |
| Salt 🧂 | 1 tsp | Kosher or sea salt |
| Black Pepper 🌶️ | ½ tsp | Freshly ground preferred |
| Fresh Parsley 🌿 | ¼ cup | Chopped, for garnish |
The pork tenderloin should have good marbling—look for pieces that are uniform in thickness for even cooking. Most supermarkets carry it pre-trimmed. Yukon Gold potatoes are ideal for their creamy texture and buttery flavor, but red potatoes work too (avoid russets, they get mealy). The herbs are key here: fresh thyme or rosemary can be used at triple the amount if you have them.
Out of chicken broth? Vegetable broth or even water with an extra teaspoon of salt works in a pinch. No Dijon? Regular mustard at half the amount plus a pinch of sugar mimics the tang. If you’re missing Worcestershire, soy sauce with a dash of vinegar gets you close. The potatoes can be baby potatoes halved instead of chunked (just keep the sizes consistent).
Leftovers keep beautifully—store in the fridge for 3-4 days or freeze for up to 3 months. The flavors deepen overnight, so this actually tastes better reheated. Let it cool before storing to preserve texture (nobody likes mushy potatoes).
Why You’ll Love This Recipe
- Set and Forget: I toss everything in the crock pot before work and come home to a ready meal. No last-minute scrambling.
- Garlic Infused: The pork soaks up the garlic and onion flavors, and those Yukon Golds? Ridiculously tender.
- Feeds the Gang: I’ve served this for Sunday dinner and packed leftovers for lunch all week. Always a hit.
- Budget Hero: Pork tenderloin and potatoes stretch far, and one batch fills my family of four with room to spare.
Step-by-Step Instructions for Pork Tenderloin and Potatoes
Here’s the method. Straightforward, tested, works every time.
Step 1: Season and Sear the Pork Tenderloin
Pat the 1.5 lb Pork Tenderloin dry with paper towels to ensure a good sear. Rub it with 1 tbsp Olive Oil, then season evenly with 1 tsp Salt, 0.5 tsp Black Pepper, 1 tsp Paprika, 1 tsp Dried Thyme, and 1 tsp Dried Rosemary. I crush the herbs between my fingers to release their oils for maximum flavor.
Heat the remaining 1 tbsp Olive Oil in a large skillet over medium-high heat. Sear the pork on all sides for 2-3 minutes per side until golden brown and aromatic. This step builds a flavor foundation that the slow cooker can’t achieve on its own.
Step 2: Prepare the Vegetable and Broth Base
In the crock pot, combine the 1.5 lb Yukon Gold Potatoes (cut into 1-inch chunks), 1 whole Onion (diced), and 4 cloves Garlic Cloves (minced). These will cook alongside the pork, absorbing all the delicious flavors.
In a small bowl, whisk together 1 cup Chicken Broth, 1 tbsp Dijon Mustard, and 1 tbsp Worcestershire Sauce. Pour this mixture over the potatoes and onions in the crock pot. The acidity from the mustard and Worcestershire balances the richness of the pork.
Step 3: Slow Cook to Tender Perfection
Place the seared pork tenderloin on top of the potatoes and onions in the crock pot. Spoon some of the broth mixture over the pork to ensure it stays moist during cooking. Cover and cook on LOW for 6-7 hours or HIGH for 3-4 hours.
You’ll know it’s done when the pork reaches an internal temperature of 145°F and the potatoes are fork-tender. The pork should be juicy and easy to slice, while the potatoes will have absorbed all the herby, savory flavors from the broth.
Step 4: Rest and Serve
Carefully remove the pork from the crock pot and let it rest on a cutting board for 10 minutes. This allows the juices to redistribute, ensuring every slice is moist and flavorful. Slice the pork into ½-inch thick medallions.
Arrange the sliced pork over the potatoes and onions in the crock pot. Garnish with 0.25 cup Fresh Parsley (chopped) for a pop of color and freshness. Serve immediately while hot, allowing everyone to enjoy the tender pork and perfectly cooked potatoes together.
Pro Tips For Making Pork Tenderloin And Potatoes Crock Pot
- Sear the Pork First: I learned this the hard way—browning the tenderloin in a hot pan for 2-3 minutes per side before it goes into the crock pot adds a depth of flavor that slow cooking alone can’t achieve.
- Cut Potatoes Evenly: Aim for 1.5-inch chunks so they cook through at the same rate as the pork. Sounds obvious, but uneven pieces mean some turn to mush while others stay hard.
- Don’t Drown the Potatoes: Use just enough chicken broth to cover the bottom—about 1 cup—so the potatoes steam rather than boil. Too much liquid turns them into a sad, soggy mess.
- Use a Meat Thermometer: Pork tenderloin overcooks fast. Pull it at 145°F internal temp, then let it rest 10 minutes under foil—this guarantees juicy meat every time, even in a crock pot.
Make-Ahead Tips for pork tenderloin and potatoes crock pot
Overnight Prep
You can prep everything the night before to save morning time. Store the seasoned pork and chopped veggies in separate airtight containers in the fridge. The potatoes won’t brown overnight if covered in cold water in a sealed container. 💡
Morning Assembly
In the morning, drain the potatoes and add them to the crock pot with the onions and garlic. Sear the pork while the crock pot preheats, then add it on top. This adds just 10 minutes to your morning routine.
Broth Mix Ahead
Whisk together the chicken broth, Dijon mustard, and Worcestershire sauce the night before. Store it in a jar in the fridge. Just pour it over the veggies in the morning before adding the pork.
Slow Cooker Timing
If you’re on a tight schedule, use the HIGH setting for 3-4 hours. For maximum tenderness, LOW for 6-7 hours works best. I set mine to start cooking on LOW at 9 AM for a 6 PM dinner.
Resting Before Serving
If you get home early, keep the crock pot on the WARM setting. The pork will stay tender for up to 2 extra hours. Just slice and serve when ready. 🔥
Double Batch
Double the recipe and freeze half for later. Use a 6-quart slow cooker for double batches. Freeze in portions for up to 3 months—it reheats beautifully.
Nutrition Facts
Frequently Asked Questions
Can I skip searing the pork?
You can, but searing adds depth of flavor. Without it, the dish may taste flatter. If short on time, just season well and add 30 minutes to cooking time.
What size slow cooker do I need?
A 4-6 quart model works perfectly for this recipe. For double batches, upgrade to 6-8 quarts. Always fill no more than ⅔ full.
How do I prevent dry pork?
Don’t overcook! Pull it at 145°F internal temp. Letting it rest 10 minutes before slicing locks in juices.
Can I use sweet potatoes?
Yes, but they cook faster. Cut into 1.5-inch chunks and add during the last 2 hours to prevent mushiness.
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