Boston Butt Slow Cooker (Fall-Apart Pulled Pork Every Time)

Name: Boston Butt Slow Cooker (Fall-Apart Pulled Pork in 12–18 Hours)
Prep time: 5 min
Cook time: 1080 min
Total time: 1085 min
Ingredients: 1 Tablespoon Salt (kosher is best but table salt will do); 1 Tablespoon Brown Sugar; 1 1/2 Teaspoons Ground Cumin; 1 Tablespoon Black Pepper; 1 1/2 Teaspoons Garlic Powder; 3/4 Teaspoons Onion Powder; 3/4 Teaspoons Oregano; 1 Cup vinegar

Boston butt cooked in a slow cooker or Crock-Pot will make the most delicious pulled pork. Make this recipe for crock pot pulled pork at the beginning of the week as part of your weekly meal plan.

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shredded pulled pork in a slow cooker with serving tongs in the pot

Use my recipe for dry rub and your choice of pork butt cut, Boston Butt (bone-in pork butt), boneless pork butt or pork shoulder to make these delicious easy crockpot pulled pork sandwiches.
Using your slow cooker or Crock-Pot to cook is an easy way to make delicious pulled pork without turning on your oven or stovetop.
Make the pork once and use it in many recipes over the week. A great meal prep recipe!

Recipe Card?

To find the full printable recipe with specific measurements and directions CLICK HERE to go to the recipe card.

Ingredient Substitutions

The ingredient list here is intentionally short - the low and slow cook does all the work. Here is what swaps cleanly.

Bone-in boston butt → boneless pork butt: Both work. Bone-in delivers more flavor and the bone acts as a natural rack. Boneless is easier to shred. Cook time stays the same.
White vinegar → apple cider vinegar: A direct swap that adds slight sweetness. Equally effective as a tenderizer.
White vinegar → chicken or beef broth: Skips the acidity entirely, adds savory depth. The pork will be richer and less tangy.
Dry rub → your favorite BBQ seasoning: Any rub works. Apply generously on all surfaces before searing.
Sear → skip: The sear adds significant flavor the slow cooker cannot replicate. Skipping it is fine for a weeknight; the pork will still be tender, just with a milder flavor profile.

Step-by-Step Instructions

The slow cooker does the real work here. Your job is to season it well, get a good sear on it, and then leave it alone for 12-18 hours. The hardest part is the wait.

Make the dry rub

Combine your spices in a small bowl and mix well. This can be done the night before.

A large piece of raw sous vide pork shoulder coated with dry seasoning sits on a wooden surface next to a metal spoon and a black bowl.

Season the pork

Pat the boston butt completely dry with paper towels - a dry surface sears better. Apply the dry rub generously on all surfaces, pressing it into every crevice.

Flavor Tip

For maximum flavor, cover and refrigerate overnight after seasoning.

boston butt being seared in a cast iron pan

Sear the pork (optional but recommended)

Heat a large cast iron or heavy-bottomed skillet over high heat until smoking.
Add a thin layer of high smoke-point oil.
Place the pork butt joint side down and sear for 4-5 minutes without moving it, until deeply browned.
The meat should release naturally from the pan when properly seared. Turn and sear all sides except the fat cap.

A pork shoulder in a crock pot, slow-cooked and perfectly seasoned.

Transfer to the slow cooker

Place the seared pork fat side down in the slow cooker. Pour 1 cup of white vinegar into the bottom, doing your best not to wash off the rub. Place the lid on.

fully cooked boston butt pulled pork sitting in a slow cooker in its juices

Cook low and slow

Set the slow cooker to low. Cook for a minimum of 8 hours, preferably 12-18 hours. The pork is ready when it reaches an internal temperature of 195-205°F and shreds easily with two forks.

Hands shredding cooked meat into a bowl, with a Boston butt Crock-Pot slow cooker in the background on a kitchen counter.

Rest and pull

Remove the pork from the slow cooker and rest on a cutting board for 10-15 minutes. If bone-in, the bone should slide out cleanly with no resistance. Pull the pork into large, tender chunks using two forks or heat-safe gloves.

Add the juices back

Reserve the cooking liquid from the slow cooker. Pour a generous amount back over the pulled pork and toss to combine. This keeps the meat moist and flavorful. Serve immediately or refrigerate for later.

Storage Instructions

Pulled pork is a meal prep staple for a reason; it stores and reheats better than almost any other protein.

Refrigerator: Airtight container with reserved cooking liquid for up to 5 days.
Freezer: Freezer-safe bags or containers with cooking juice for up to 3 months. Thaw overnight in the refrigerator.
Reheating: Covered skillet over medium-low heat with reserved juices or a splash of broth. Or reheat in the slow cooker on low for 1-2 hours.
Avoid the microwave if possible - heats unevenly and dries out the meat. If you must, cover loosely, add liquid, and heat in 30-second intervals.

A hand uses a teal ladle to serve macaroni and cheese from a pot. Overlaid text highlights features: extensive food safety testing, dishwasher safe, and compatible with Souper Cubes for convenient 1 Cup food storage.

Souper Cubes

1 cup portions!

Perfect for freezing leftovers.(As seen on Shark Tank.)

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Seasonal Favorite

This is my award-winning Crisco pie crust recipe; flaky, tender, and made with simple ingredients you already have.

Crisco Pie Crust

FAQ's and Tips

How do you serve crockpot pulled pork?

I am a huge fan of a potato roll for my pulled pork sandwiches! If you have never had a potato roll with your sandwich, do yourself a favor and try one next time. Feel free to add your favorite BBQ sauce, Vinegar Based BBQ Sauce or coleslaw to your sandwich.

What do you do with the juices leftover in the slow cooker?

I just strain the pork drippings through a mesh strainer getting out the larger bits. Keep the juices in the refrigerator, allow the fat to congeal and remove it when it solidifies. I use the drippings to help add moisture and layers of additional flavor to the pulled pork when I heat it up for service.

How long do you cook a Boston butt?

When cooking a Boston butt in a slow cooker for pulled pork allow a minimum of 8 hours and up to 12 hours for the meat to cook fully. The meat will fall apart easily in your hands when you pull the pork.

What is the difference between a Boston butt and a pork shoulder?

Both come from the upper shoulder area of the pig and are used interchangeably in most recipes. The Boston butt sits higher on the shoulder and has slightly more intramuscular fat and marbling, making it the preferred cut for pulled pork. The picnic shoulder comes from lower on the leg and has a little less fat. Either works in this slow cooker recipe; Boston butt is the better choice when available.

Can a boneless butt be used?

A boneless pork butt can be used. There are no bones to work around and the price may be higher for this convenience. But I feel like you are sacrificing flavor for convenience. Everyone has their preference.

Why do you sear the pork butt?

As you know, I am a big advocate that color equals flavor especially when it comes to meat. By searing meat you are caramelizing the surface, giving it another layer of flavor to add to the pulled pork.

What if I don't have the extra 10 minutes to sear the pork?

If you do not have time to sear the pork in a screaming hot pan before transferring the meat to the slow cooker, your pulled pork will still be delicious. Just like salt enhances the taste of food, searing pork before cooking it will enhance the flavor of the pulled pork. But you are able to do without salt and you are able to do without searing.

What internal temperature should a Boston butt reach in the slow cooker?

The USDA minimum for pork is 145°F, but at that temperature, a Boston butt will not shred - it will be cooked but firm. For fall-apart pulled pork, cook to an internal temperature of 195-205°F. At that range, the collagen has fully converted to gelatin and the fat has rendered completely. If the pork feels tough, it simply needs more time.

Do I have to sear it before putting it in the slow cooker?

No, but I encourage you because the sear adds significant flavor the slow cooker cannot replicate. The high heat creates a deeply browned crust through the Maillard reaction. Skipping it gives you tender, juicy pork with a milder flavor. Including it gives you that extra depth that makes people ask what you did differently.

Why do you add white vinegar to the bottom of the slow cooker?

Two reasons: it creates steam that keeps the pork moist during the long cook, and its acidity gently tenderizes the meat and connective tissue over time. It also adds a subtle tanginess to the cooking liquid that balances the richness of the pork. The vinegar flavor mellows completely over 12-18 hours and is not detectable in the finished pulled pork.

How long can I cook it? Can I overcook it in the slow cooker?

On low, it is very hard to overcook a Boston butt. The minimum is 8 hours for a smaller cut, but 12-18 hours is ideal for a full bone-in butt. Cooking beyond 18 hours on low can cause the meat to become mushy and lose structure. On high heat it is easier to dry out - always use the low setting for this cut.

My pulled pork is dry. What went wrong?

Two common causes - not enough cooking liquid in the slow cooker, and/or the lid being not tight enough, or not adding the reserved cooking juices back when shredding. Always save the liquid and pour a generous amount back over the pulled pork as you shred it. If it is already shredded and dry, warm some chicken broth or apple cider vinegar in a small pan and toss the pulled pork in it over low heat until it comes back to life.

Boston Butt Slow Cooker (Fall-Apart Pulled Pork in 12-18 Hours)

Sarah Mock

5 from 1 vote

Use my recipe for a dry rub and your choice of pork butt cut to make these delicious Easy Crockpot Pulled Pork Sandwiches.

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Boston Butt Made In The Slow Cooker square image

18 5

4 pounds

Ingredients

1 Pork shoulder, bone in

Pulled Pork Rub Recipe:

▢ 1 Tablespoon Salt kosher is best but table salt will do
▢ 1 Tablespoon Brown Sugar
▢ 1 ½ Teaspoons Ground Cumin
▢ 1 Tablespoon Black Pepper
▢ 1 ½ Teaspoons Garlic Powder
▢ ¾ Teaspoons Onion Powder
▢ ¾ Teaspoons Oregano
▢ 1 Cup vinegar

Instructions

Place the pork butt in the crockpot, fat side down.
Sprinkle the entire recipe of pulled pork rub over the pork.
Pour 1 cup white vinegar into the bottom of the crock pot. Do your best not to wash off the rub.
Place the lid on the crockpot.
Set on low for a minumum of 8 hour but preferably 12-18 hours.

Nutrition

Notes

How to sear a Boston Butt

Heat a heavy bottom, wide open or cast iron pan to the point of smoking.
Place the meat, joint side down, in the pan, allowing it to sear for 5 minutes.The pork should easily pull away from the pan when it is properly seared.
Carefully turn the meat so that you sear all sides of the meat. No need to sear the fat side.
Place the seared pork, fat side down in the crock-pot slow cooker. Cook as directed.

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I am Sarah Mock. Welcome!

Sarah Mock is a classically trained Chef and a graduate of Johnson & Wales University. A culinary blogger for 17 years, Sarah helps the home cook prepare her recipes with professional results.

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