How Long To Pressure Cook Pork Shoulder

ByLily

Pork shoulder’s generous marbling makes it an ideal candidate for pressure cooking, though timing varies with size. So if you’re wondering how long to pressure cook pork shoulder, the short answer is 60 to 90 minutes for a 3 to 5 pound roast under high pressure. Smaller cuts and cubed pieces cook faster. Bone-in roasts take a bit longer then boneless ones.

This guide breaks down exact times by weight, pressure level, and cooking method. You’ll also get a simple step-by-step process that works every time.

How Long To Pressure Cook Pork Shoulder

The total time depends on three things: the weight of the meat, whether the bone is in, and the pressure setting you use. Most electric pressure cookers run at 10 to 12 PSI on high. Stovetop models reach 15 PSI, which cuts cooking time by roughly 15 to 20 percent.

Here is a quick reference table in list form for a 3 to 5 pound pork shoulder:

  • 3 pounds, boneless, high pressure: 60 minutes
  • 4 pounds, boneless, high pressure: 75 minutes
  • 5 pounds, boneless, high pressure: 90 minutes
  • 3 pounds, bone-in, high pressure: 70 minutes
  • 4 pounds, bone-in, high pressure: 85 minutes
  • 5 pounds, bone-in, high pressure: 100 minutes

Add 15 minutes of natural release after the cook time ends. Quick releasing pork shoulder too early can make the meat tough. The extra rest lets the fibers relax and soak up moisture.

Timing By Weight And Cut

Weight is the biggest factor, but the cut matters too. A whole pork shoulder (often called pork butt or Boston butt) has more connective tissue then a picnic roast. More tissue means more time to break down into gelatin.

  • 2 to 3 pounds: 45 to 60 minutes
  • 3 to 4 pounds: 60 to 75 minutes
  • 4 to 5 pounds: 75 to 90 minutes
  • 5 to 7 pounds: 90 to 110 minutes

If you cut the shoulder into 2-inch chunks, you can reduce the time by about 20 minutes. Cubed meat cooks more evenly and shreds faster.

Electric Vs Stovetop Pressure Cooker Times

Electric cookers like Instant Pot models are slower to build pressure but very consistent. Stovetop cookers heat faster and run hotter. Use these adjustments:

  • Electric pressure cooker, high pressure: use the times above
  • Stovetop pressure cooker, 15 PSI: reduce time by 15 to 20 percent
  • Electric cooker, low pressure: add 20 to 30 minutes

Always check your owner’s manual for the exact PSI rating. A 5 PSI difference can change the texture of the meat.

Step-By-Step Pressure Cooking Process

Follow these steps for tender, shreddable pork every time.

  1. Pat the pork shoulder dry with paper towels. Trim any thick fat caps but leave some fat for flavor.
  2. Season generously with salt, pepper, and any rub you like. Let it sit for 20 minutes if you have time.
  3. Optional: sear the meat in the cooker on saute mode for 3 to 4 minutes per side. This adds color and depth.
  4. Add 1 cup of liquid such as broth, water, or a mix of broth and vinegar. Never use less then 1 cup in a 6-quart cooker.
  5. Place the pork on a trivet or in the liquid. Keep it above the liquid line if you want a firmer bark.
  6. Lock the lid and set the valve to sealing. Cook on high pressure for the time listed above.
  7. When the timer beeps, let the pressure release naturally for 15 minutes. Then turn the valve to vent any remaining steam.
  8. Check doneness with a fork. It should twist easily with no resistance. If not, cook for 10 more minutes.
  9. Rest the meat for 10 minutes, then shred with two forks.

Common Mistakes To Avoid

Even good cooks run into trouble with pork shoulder. Here are the most common issues and how to fix them.

  • Not enough liquid: the cooker needs steam to build pressure. Use at least 1 cup.
  • Quick releasing too soon: this toughens the meat. Always natural release for at least 15 minutes.
  • Overcrowding: keep the roast to about two-thirds of the pot size. A 6-quart cooker handles up to a 5-pound roast well.
  • Skipping the rest: letting the meat sit after cooking keeps it juicy.

How To Tell When It’s Done

Time is a guide, not a rule. Your pork is ready when:

  • A fork slides in with almost no resistance
  • The meat shreds easily with two forks
  • An instant-read thermometer reads 200 to 205 degrees Fahrenheit in the thickest part

If the meat is still firm at 195 degrees, give it 10 more minutes under pressure. Collagen breaks down slowly, and a few extra minutes can make a big difference.

Frequently Asked Questions

Can You Pressure Cook Frozen Pork Shoulder?

Yes, but add 25 to 30 minutes to the total time. Frozen meat also takes longer to build pressure. For best results, thaw it first.

Do You Need To Brown The Meat First?

No, but it improves flavor. If you skip searing, add a tablespoon of soy sauce or Worcestershire to the liquid for extra depth.

How Long Does Leftover Pork Shoulder Last?

Store shredded pork in an airtight container in the fridge for up to 4 days. You can freeze it for up to 3 months.

Can You Use This Method For Pork Butt?

Pork butt is part of the shoulder, so the same times apply. The names are used interchangeably in most stores.

With the right time and a patient natural release, pressure cooked pork shoulder comes out tender and full of flavor. Use the chart above, adjust for your cooker, and you will get consistent results every batch.

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