Irresistible Pork Tenderloin Carnitas

If you ask me, carnitas made with pork tenderloin are a total game-changer.

This Mexican-inspired dish gives you all the flavor of traditional carnitas but comes together way faster on a weeknight. Tender pieces of pork get seasoned with cumin, oregano, and citrus, then cooked until they’re crispy on the edges.

The tenderloin makes this version leaner than the classic, but you still get those caramelized bits that make carnitas so good. Pile it into warm tortillas with your favorite toppings like fresh cilantro, diced onions, and a squeeze of lime.

It’s a family-friendly dinner that feels special but doesn’t keep you in the kitchen all day.

pork tenderloin carnitas
Image: mollyshomeguide.com / Photographer Molly
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Why You’ll Love These Pork Tenderloin Carnitas

  • Tender, flavorful meat – The pork tenderloin becomes incredibly juicy and falls apart easily after slow cooking in citrus and spices, giving you that authentic carnitas texture everyone loves.
  • Simple ingredients – You probably have most of these spices in your pantry already, and the fresh orange and lime juice add a bright flavor that really makes the dish pop.
  • Flexible cooking methods – Whether you use a slow cooker, instant pot, or oven, this recipe adapts to whatever works best for your schedule.
  • Perfect for meal prep – Make a big batch and use the carnitas throughout the week for tacos, burrito bowls, salads, or quesadillas.
  • Crowd-pleaser – The combination of citrus and warm spices creates a flavor that works for both casual weeknight dinners and taco nights with friends.

What Kind of Pork Tenderloin Should I Use?

For carnitas, you’ll want to grab a fresh pork tenderloin from the meat counter, and since this recipe calls for 2.5 pounds, you’ll likely need two tenderloins since they typically weigh between 1 to 1.5 pounds each. Look for tenderloin that has a nice pink color and minimal visible fat – this cut is naturally lean, which is perfect for this recipe. If you can only find smaller tenderloins, don’t stress about getting exactly 2.5 pounds; anywhere between 2 to 3 pounds will work just fine, though you may need to adjust your cooking time slightly. Just make sure you’re getting tenderloin and not a pork loin roast, as those are different cuts and will require different cooking methods.

pork tenderloin carnitas
Image: mollyshomeguide.com / Photographer Molly
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Options for Substitutions

This carnitas recipe is pretty forgiving, so here are some swaps you can make if needed:

  • Pork tenderloin: While tenderloin works great, pork shoulder or pork butt is actually the traditional cut for carnitas and will give you more flavor and moisture. It’ll take a bit longer to cook, but the results are worth it. You can also use boneless country-style ribs in a pinch.
  • Fresh orange juice: If you don’t have fresh oranges, store-bought orange juice works fine – just make sure it’s 100% juice without added sugar. You can also use a mix of orange juice and a splash of pineapple juice for a tropical twist.
  • Fresh lime juice: Bottled lime juice can work in a pinch, though fresh is always better. You could also use lemon juice if that’s what you have on hand.
  • Fresh cilantro: Not a cilantro fan? You can leave it out entirely or swap it with fresh parsley for a milder herb flavor.
  • Spices: If you’re missing one or two of the spices, don’t stress – the cumin and chili powder are the most important for that carnitas flavor. You can also use a pre-made taco seasoning blend, though you’ll want to adjust the salt accordingly.

Watch Out for These Mistakes While Cooking

The biggest mistake when making pork tenderloin carnitas is confusing tenderloin with pork shoulder – tenderloin is much leaner and cooks faster, so if you treat it like traditional carnitas and cook it for hours, you’ll end up with dry, tough meat instead of juicy shreds.

Since tenderloin lacks the fat content of pork shoulder, it’s important to not overcook it – aim for an internal temperature of 145°F and let it rest before shredding, as the residual heat will finish the cooking process.

To get that crispy exterior that makes carnitas so good, make sure to pat the pork dry before searing and don’t overcrowd the pan, which creates steam instead of a nice brown crust.

For extra flavor, marinate the pork in the orange juice and spice mixture for at least 30 minutes (or up to overnight), and save some of the cooking liquid to toss with the shredded meat so it stays moist.

pork tenderloin carnitas
Image: mollyshomeguide.com / Photographer Molly
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What to Serve With Pork Carnitas?

These pork carnitas are perfect for taco night, so grab some warm corn or flour tortillas and load them up with your favorite toppings like diced onions, cilantro, lime wedges, and a good salsa. I love serving carnitas with classic Mexican sides like cilantro lime rice, refried beans, or a simple cabbage slaw that adds a nice crunch. If you’re going the burrito bowl route, set out all the fixings and let everyone build their own with rice, black beans, guacamole, and sour cream. You can also stuff the carnitas into quesadillas with plenty of cheese or pile them on top of crispy tortilla chips for loaded nachos.

Storage Instructions

Store: Keep your leftover carnitas in an airtight container in the fridge for up to 4 days. The pork actually tastes even better the next day once all those flavors have had time to hang out together. I love using leftovers for quick taco nights or burrito bowls throughout the week.

Freeze: Carnitas freeze really well for up to 3 months. Let the meat cool completely, then portion it out into freezer bags and squeeze out as much air as possible. I like to freeze it in smaller portions so I can just grab what I need for a quick meal.

Reheat: Warm up your carnitas in a skillet over medium heat with a splash of water or broth to keep it from drying out. If you want to get that crispy texture back, let it heat through first, then crank up the heat for the last few minutes without stirring too much.

Preparation Time 10-15 minutes
Cooking Time 180-480 minutes
Total Time 190-495 minutes
Level of Difficulty Medium

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

  • Calories: 1400-1550
  • Protein: 180-210 g
  • Fat: 40-47 g
  • Carbohydrates: 25-35 g

Ingredients

For the pork:

  • 2.5 lb pork tenderloin (cut into 2-inch chunks)

For the marinade and seasoning:

  • 1 tsp salt
  • 1/2 tbsp chili powder (I prefer McCormick chili powder)
  • 1/2 tsp garlic powder
  • 1 tbsp fresh lime juice
  • 2 tsp ground cumin
  • 1/2 tsp black pepper
  • 1/2 tsp onion powder
  • 1/2 cup fresh orange juice (for best flavor)
  • 1 tsp dried oregano

For finishing:

  • 2 tbsp fresh cilantro (finely chopped)

Step 1: Season the Pork Tenderloin

  • 2.5 lb pork tenderloin (use two if needed)
  • 1/2 cup fresh orange juice (about 2 oranges)
  • 1 tbsp freshly squeezed lime juice
  • 1/2 tbsp chili powder
  • 2 tsp ground cumin
  • 1 tsp dried oregano
  • 1 tsp salt
  • 1/2 tsp black pepper
  • 1/2 tsp onion powder
  • 1/2 tsp garlic powder

Place the pork tenderloins in the Crock-Pot.

Pour in the fresh orange juice and freshly squeezed lime juice.

Sprinkle the chili powder, ground cumin, dried oregano, salt, black pepper, onion powder, and garlic powder over the pork.

Toss everything together to ensure the pork is evenly coated with the juices and spices.

Step 2: Slow Cook the Pork

  • seasoned pork with juices and spices from Step 1

Cover and cook the seasoned pork on low heat for 6-8 hours or on high for 3-4 hours, until the pork becomes tender and is easily shredded with a fork.

Once done, shred the pork directly in the Crock-Pot using two forks.

Taste and adjust the salt if needed, then simmer for an additional 30 minutes to let the shredded pork absorb more of the flavorful juices.

I like to give it a final taste at this stage to make sure it’s perfectly seasoned.

Step 3: Broil the Shredded Pork

  • shredded pork from Step 2

Preheat your broiler and line a baking sheet with aluminum foil.

Using a slotted spoon, transfer the shredded pork (from Step 2) onto the prepared baking sheet, spreading it out in a medium-thin layer and leaving the juices behind in the Crock-Pot.

Broil on low for about 5 minutes, watching carefully, until the pork starts to brown and become crispy along the edges but is not burnt or dried out.

Step 4: Moisten, Garnish, and Serve

  • reserved cooking liquid from Step 2
  • 2 tbsp chopped fresh cilantro

Remove the broiled pork from the oven and return it to the Crock-Pot or a large bowl.

Pour some of the reserved cooking juices over the pork to moisten it, then stir in the chopped fresh cilantro just before serving.

For a brighter finish, I like to add an extra squeeze of lime if I have it on hand.

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