This Slow Cooker Cranberry Orange Pork Tenderloin is sweet, tangy, savory, and full of cozy flavor. Fresh orange wakes up the cranberry sauce, while the slow cooker keeps dinner simple. The pork comes out juicy, and that glossy cranberry-orange sauce is made for spooning over every slice.
Why I Love This Recipe
I started making cranberry pork when I wanted something that felt like a holiday dinner but did not require hours of work in the kitchen. Then I added orange, and that small change made a big difference.
Cranberry can be sharp and sweet. Fresh orange juice and zest give it a brighter flavor. Add a little Dijon, soy sauce, garlic, and onion, and the sauce becomes much more than plain cranberry sauce.
I also love opening the slow cooker and seeing that deep red sauce bubbling around the pork. It looks impressive, but most of the work happened before I turned the slow cooker on.
Here are a few reasons this recipe has become a favorite:
- The prep takes about 15 minutes.
- Fresh orange makes the cranberry sauce taste bright and fresh.
- You get sweet, tart, salty, and savory flavors in every bite.
- The pork cooks in the same sauce you serve with it.
- The thick cranberry-orange sauce looks beautiful on a dinner plate.
- It works for an easy dinner or a special meal.
- Leftovers are great in sandwiches and wraps.
Recipe at a Glance
- Makes: 6 servings
- Prep time: 15 minutes
- Slow cook time: About 2 to 3 hours on LOW
- Rest and sauce finishing time: About 15 minutes
- Total time: About 2 hours 30 minutes to 3 hours 30 minutes
- Doneness: Cook pork tenderloin to 145°F (63°C) in the thickest part
What You’ll Need
- 2 pork tenderloins, about 1 pound each, silver skin removed
- 1 can (14 ounces) whole berry cranberry sauce
- 1/2 cup fresh orange juice
- 1 tablespoon finely grated orange zest, divided
- 1 small onion, diced, about 3/4 cup
- 3 garlic cloves, minced
- 2 tablespoons low-sodium soy sauce
- 1 tablespoon Dijon mustard
- 1 tablespoon apple cider vinegar
- 1 tablespoon brown sugar
- 1/2 teaspoon dried thyme
- 1/2 teaspoon kosher salt
- 1/4 teaspoon black pepper
- 1 tablespoon cornstarch
- 1 tablespoon cold water
- 1 tablespoon finely chopped fresh parsley, optional
- 1 thin fresh orange slice, optional, for serving

How to Make Slow Cooker Cranberry Orange Pork Tenderloin
Step 1: Season the Pork
Pat 2 pork tenderloins, about 1 pound each, dry with paper towels. Remove the silver skin if needed.
Place the pork on a cutting board. Season all sides of both tenderloins evenly with 1/2 teaspoon kosher salt and 1/4 teaspoon black pepper.

Step 2: Mix the Cranberry-Orange Sauce
Add 1 can (14 ounces) whole berry cranberry sauce, 1/2 cup fresh orange juice, 2 teaspoons of the finely grated orange zest, 3/4 cup diced onion, 3 minced garlic cloves, 2 tablespoons low-sodium soy sauce, 1 tablespoon Dijon mustard, 1 tablespoon apple cider vinegar, 1 tablespoon brown sugar, and 1/2 teaspoon dried thyme to a medium mixing bowl.
Whisk until everything is mixed well. The sauce should be loose and chunky. You should still see whole cranberries and small pieces of diced onion.
Save the remaining 1 teaspoon orange zest for serving.

Step 3: Add Everything to the Crockpot
Place the 2 pork tenderloins seasoned with 1/2 teaspoon kosher salt and 1/4 teaspoon black pepper side by side in a black oval crockpot.
Pour all of the cranberry-orange mixture made with 14 ounces whole berry cranberry sauce, 1/2 cup fresh orange juice, 2 teaspoons orange zest, 3/4 cup diced onion, 3 minced garlic cloves, 2 tablespoons low-sodium soy sauce, 1 tablespoon Dijon mustard, 1 tablespoon apple cider vinegar, 1 tablespoon brown sugar, and 1/2 teaspoon dried thyme over the pork.
Use tongs to turn each tenderloin once so the sauce coats the meat.

Step 4: Slow Cook Until Juicy
Put the lid on the crockpot. Cook on LOW for about 2 to 3 hours.
Start checking the pork around the 2-hour mark. Insert an instant-read thermometer into the thickest part of a tenderloin. Remove the pork when it reaches 145°F (63°C).
Move both tenderloins to a clean cutting board. Let them rest for 5 to 10 minutes before slicing. Leave the cranberry-orange sauce in the crockpot.

Step 5: Thicken the Cranberry-Orange Sauce
While the pork rests, place 1 tablespoon cornstarch and 1 tablespoon cold water in a small bowl. Whisk until completely smooth with no white lumps.
Pour the slurry into the hot cranberry-orange sauce in the crockpot and stir well.
Cover and cook on HIGH for 10 to 15 minutes, until the sauce is glossy and thick enough to coat a spoon. If your cranberry sauce is already thick enough, you can skip this step.

Step 6: Slice, Sauce, and Serve
Slice the rested 2 cooked pork tenderloins into thick medallions. Place them on a round white ceramic serving plate.
Spoon the thick cranberry-orange sauce over the pork. Sprinkle the reserved 1 teaspoon finely grated orange zest and 1 tablespoon finely chopped fresh parsley over the top. Add 1 thin fresh orange slice to the plate if you like.
Serve warm with extra sauce spooned over each portion.

Why This Recipe Works (Quick Science)
Pork tenderloin is very lean. That means it can become dry when it cooks for too long. A slow cooker works well here, but this cut does not need to cook all day. Taking it out when the center reaches 145°F helps keep it juicy.
Cranberries are naturally tart. Orange juice and brown sugar soften that sharp taste without hiding it. Orange zest is especially useful because the peel contains fragrant oils that give the sauce a stronger orange smell and flavor without adding lots of extra liquid.
Soy sauce brings salty, savory flavor. Dijon mustard and apple cider vinegar add acidity, which keeps the sauce from tasting too sweet.
The cornstarch slurry works at the end. When cornstarch gets hot, its starch granules swell and thicken the liquid. Mixing it with cold water first helps prevent lumps.
Resting the pork before slicing also matters. Cutting it the second it leaves the slow cooker can cause more of its juices to run onto the cutting board.
Pro Tips
- Watch the temperature, not only the clock. Slow cookers can run at different temperatures. Start checking the pork around 2 hours.
- Use fresh orange zest. It adds much more orange flavor than simply adding extra juice.
- Zest before juicing. A whole orange is much easier to zest than a squeezed one.
- Do not cook tenderloin all day. Pork tenderloin is much smaller and leaner than the large pork roasts often used for slow cooking.
- Slice across the grain. This gives you more tender bites.
- Keep plenty of sauce with the leftovers. The sauce helps protect the lean pork from drying out during reheating.
Tools You’ll Need
- Black oval crockpot
- Cutting board
- Chef’s knife
- Medium mixing bowl
- Small mixing bowl
- Whisk
- Measuring cups
- Measuring spoons
- Microplane or fine grater
- Citrus juicer
- Tongs
- Instant-read meat thermometer
- Spoon
- Round white ceramic serving plate
Substitutions and Variations
- Cranberry sauce: Jellied cranberry sauce can replace whole berry sauce, but the finished sauce will be smoother.
- Fresh orange juice: Bottled 100% orange juice works in a pinch, though fresh juice gives better flavor.
- Soy sauce: Use tamari if that works better for you.
- Brown sugar: Maple syrup can be used for a slightly different sweetness.
- Dijon mustard: Spicy brown mustard is a good substitute.
- Thyme: Rosemary also tastes great with pork and orange.
- More orange flavor: Add a little extra fresh orange zest at serving time instead of adding more juice.
- Spicy version: Add 1/4 teaspoon crushed red pepper flakes to the sauce.
- Less sweet: Leave out the tablespoon of brown sugar if your cranberry sauce is already very sweet.
Common Mistakes
- Using pork loin instead of pork tenderloin: These are different cuts. Pork loin is much larger and needs a different cooking plan.
- Cooking the pork for 6 to 8 hours: That timing may work for tougher pork cuts, but tenderloin can become dry.
- Guessing when the pork is done: Use an instant-read thermometer and check the thickest section.
- Adding too much orange juice: Extra liquid can make the cranberry sauce thin and can weaken the cranberry flavor.
- Adding all the zest early: Saving some zest for the end gives the finished pork a fresher orange aroma.
- Putting dry cornstarch straight into the sauce: Always mix cornstarch with cold water first.
- Slicing the pork right away: Rest it for 5 to 10 minutes before cutting.
What to Serve With
This pork has plenty of sauce, so sides that can soak it up work especially well.
- Creamy mashed potatoes
- Garlic mashed potatoes
- White or brown rice
- Wild rice
- Sweet potato mash
- Roasted baby potatoes
- Green beans
- Roasted Brussels sprouts
- Glazed carrots
- Steamed broccoli
- Simple green salad
- Warm dinner rolls
For a cozy dinner, try the pork with mashed potatoes and green beans. Spoon a little extra cranberry-orange sauce over the potatoes too.
Make-Ahead Tips
The cranberry-orange sauce can be mixed up to 24 hours ahead. Cover it and keep it in the refrigerator.
You can also trim the silver skin from the pork a day ahead. Keep the raw pork covered and refrigerated separately from the sauce.
The orange can be zested and juiced ahead of time too. Store both in covered containers in the refrigerator.
For the freshest flavor, wait to chop the parsley until close to serving time.
Leftovers and Storage
- Refrigerator: Store pork and cranberry-orange sauce in an airtight container for up to 3 to 4 days.
- Freezer: Freeze the pork with plenty of sauce for about 2 to 3 months for best quality.
- Reheating: Reheat gently with the sauce until hot. Avoid overheating the lean pork.
- Sandwiches: Thinly slice cold leftover pork and add it to a sandwich with cranberry-orange sauce and greens.
- Grain bowls: Add warm leftovers to rice or quinoa with roasted vegetables.
Macros Information
Nutrition will vary with the size of the tenderloins and the brand of cranberry sauce. Based on 6 servings, one serving is approximately:
- Calories: 320
- Protein: 33 g
- Carbohydrates: 28 g
- Fat: 7 g
- Saturated fat: 2 g
- Fiber: 1 g
- Sugar: 22 g
- Sodium: 540 mg
These numbers are estimates, not laboratory-tested nutrition values.
FAQ
Q: Can I cook pork tenderloin on LOW for 6 to 8 hours?
A: I would not use that timing for this recipe. Pork tenderloin is lean and can dry out during a very long cook. Start checking it around 2 hours and remove it when the thickest part reaches 145°F.
Q: Can I cook it on HIGH instead?
A: You can, but LOW gives you a little more control with this lean cut. If you use HIGH, begin checking the internal temperature early so the pork does not overcook.
Q: Can I use frozen pork tenderloin?
A: Thaw it fully in the refrigerator before putting it in the slow cooker. This helps the pork cook more evenly and safely.
Q: Can I use pork loin?
A: Not with the same cooking directions. Pork loin is a larger, thicker cut and needs different timing.
Q: Does the orange make the sauce very sweet?
A: No. The orange adds bright citrus flavor. Dijon mustard, soy sauce, vinegar, and cranberry tartness help balance the sweetness.
Q: Can I leave out the cornstarch?
A: Yes. If your sauce is already thick enough after the pork cooks, you do not need it. The cornstarch is only there to make a thicker glaze.
Q: Why did my pork turn out dry?
A: It most likely cooked too long. Slow cookers vary, so use a meat thermometer instead of depending only on the cooking time.
Q: Can I make this for a holiday meal?
A: Yes. The red cranberry sauce, fresh orange, and parsley give it a festive look, while the slow cooker keeps the main dish simple.
Final Thoughts
Slow Cooker Cranberry Orange Pork Tenderloin gives you a lot of flavor without a lot of hands-on work. The cranberry is sweet and tart, the orange makes everything taste fresh, and the savory ingredients keep the sauce balanced.
The biggest secret is simple: do not overcook the pork. Check it early, let it rest, then cover those juicy slices with plenty of warm cranberry-orange sauce.
Serve it with mashed potatoes, rice, or your favorite vegetables, and you have an easy dinner that still feels special. If you make it, leave a comment and share how it turned out or any changes you tried.
