Slow-Cooker Garlic Butter Pork Shoulder with Peppers and Onions Step-by-step instructions

Before you start

Before you start, make sure you have a 6-quart slow cooker and a cutting board. Pat the pork shoulder dry with paper towels—this helps the butter and juices adhere better. Slice the bell peppers into thick strips and the onions into half-moons.

If using a homemade compound butter, make it ahead of time and keep it chilled so it's firm enough to slice into medallions. There's no need to sear the pork first; the slow cooker will develop plenty of flavor on its own. Set out the buttered noodles or other serving accompaniments so everything is ready when the pork is done.

Instructions

Layer and Butter

1. 1Layer the Pork and Vegetables
   Place the pork shoulder in the center of a 6-quart slow cooker. Scatter the sliced bell peppers and onions over and around the pork, tucking some underneath for even cooking. Press the vegetables gently into the crevices of the roast so they stay in contact with the meat.
   Look for The pork sits snugly in the cooker, surrounded by a colorful bed of peppers and onions.
   Tip If the pork is thicker on one side, place the thicker side down in the slow cooker for more even cooking.
2. 2Top with Garlic-Herb Butter
   Place the cold medallions of garlic-herb butter directly on top of the pork, spacing them evenly. The butter will melt as the slow cooker heats, basting the meat and vegetables with its herb-infused juices.
   Look for The butter pats sit on the pork, ready to melt and flavor the roast.
   Tip Using cold butter makes it easier to slice into even medallions that melt slowly and evenly.

At this stage, the slow cooker holds a raw pork shoulder surrounded by bright strips of red and green peppers and pale yellow onion slices. The cold butter medallions sit on top like little pats of promise. The raw pork should look moist and well-marbled, and the vegetables should be piled generously around it. There's no need to stir; just make sure everything fits comfortably in the cooker and that the lid closes securely.

Slow Cook and Shred

3. 3Cook Low and Slow
   Cover the slow cooker and cook on LOW for 8 to 10 hours, or on HIGH for 5 to 6 hours, until the pork is fork-tender and easily pulls apart. The peppers and onions will soften into a sweet, savory compote, and the butter will form a rich, aromatic gravy. Let it rest for 3 minutes before slicing.
   Look for The meat is fork-tender and shreds easily; the liquid is bubbling gently and smells richly of garlic and herbs.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip Avoid opening the lid during cooking—each peek releases heat and adds 15–20 minutes of cook time.
4. 4Shred the Pork
   Once the pork is fully tender, remove it to a cutting board and let it rest for at least 3 minutes. Using two forks, shred the meat into bite-sized ribbons, discarding any large pieces of fat. Return the shredded pork to the slow cooker and stir gently to coat with the juices and vegetables.
   Look for The pork pulls apart into moist, tender strands with little resistance.
   Safe temperature 145°F (63°C) internal temperature (steaks, chops and roasts)
   Tip For extra flavor, let the shredded pork sit in the warm gravy for 10–15 minutes before serving.

After 8 to 10 hours on low, the kitchen is filled with the warm, savory aroma of garlic and herbs. The pork has turned deep brown and is visibly tender, with the bone (if any) easily slipping out. The peppers and onions have softened into a sweet, jammy mixture, and the gravy is bubbling gently around the edges. When you insert a fork, the meat yields without resistance. After a brief rest, it shreds into juicy ribbons that glisten with butter and herbs.

Serve and Enjoy

5. 5Serve Over Noodles or as Desired
   Spoon the hot pork and vegetables over warm buttered egg noodles, or serve on rolls, over rice, or alongside roasted potatoes. Use a slotted spoon to control the amount of gravy, and finish with a sprinkle of fresh herbs if desired.
   Look for The pork is glossy with gravy, the peppers and onions are tender, and the noodles are warm and buttered.
   Tip Warm the serving plates or bowls in the oven for a few minutes to keep the dish hot longer.

The final dish is a hearty, comforting plate: a mound of shredded pork, sweet peppers, and onions, all coated in a rich, garlicky gravy. Piled over warm buttered noodles, it looks like a bowl of home-cooked comfort.

The pork is moist and tender, the vegetables are soft and sweet, and the gravy is savory and satisfying. A final sprinkle of fresh parsley or chives (if you have them) adds a bright, fresh note, but the dish is delicious just as it comes from the pot.

Common mistakes

One common mistake is lifting the lid too often to check on the pork. Every time the lid is opened, heat escapes, which can add 15–20 minutes to the cooking time. Trust the recipe and resist the urge to peek. Another pitfall is using a pork loin or tenderloin instead of shoulder—these lean cuts will dry out in the slow cooker.

Stick with pork shoulder for the best results. Finally, don't skip the resting step after cooking; it allows the meat to reabsorb its juices, making it even more succulent. If the gravy seems too thin at the end, you can simmer it on the stovetop for a few minutes to reduce it, but this is often unnecessary.

How to tell it’s done

The pork is done when it's fork-tender and shreds easily with little resistance. You should be able to insert a fork into the thickest part of the roast and twist it without any pull. The internal temperature should read at least 145°F (63°C) in the thickest part, but for optimal tenderness, it will likely be higher—around 195–205°F (90–96°C)—which is the sweet spot for collagen breakdown.

The peppers and onions should be soft and translucent, and the gravy should be rich and aromatic. Let the pork rest for at least 3 minutes before shredding to allow the juices to redistribute.

• Steaks, chops and roasts: 145°F (63°C) in the thickest part, then a 3-minute rest