Herb and Garlic Pork Shoulder Roast
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Salt it the night before, rub it with herbs and lemon, and let the oven do the slow work. By midafternoon the whole house smells of garlic and rosemary, and the dog has taken up a post by the oven.
The short version
Salt the roast and rub it with garlic, rosemary and lemon, then chill it uncovered overnight. Roast on a bed of onions at 325°F for 3 to 3½ hours until a skewer slides in easily, finish hot for a browned crust, and rest 20 minutes.
What makes ours better
what we fixed so you don’t have to
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Salt it the night before. Salt has hours to move into the meat, so every slice is seasoned through, and the uncovered rest dries the surface so it browns instead of steaming.
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Rub it with garlic, rosemary, fennel and lemon zest. Pork shoulder is rich, and the lemon and herbs cut through it. Fennel gives it a faint porchetta flavor with no extra work.
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Roast it on a bed of onions. The onions catch the drippings and turn sweet and soft, and they give you something to spoon the juices over.
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Finish at 450°F. Ten minutes of high heat at the end browns the outside without drying the inside, which has already done its slow work.
What you need
the usual suspects
- Boneless pork shoulder roast4 pounds
- Garlic6 cloves
- Finely chopped fresh rosemary1 tablespoon
- Red pepper flakes½ teaspoon
- Lemon1 large
- Olive oil1 tablespoon
- Yellow onions2 large
Roast
Rub
For the pan
yes, all of the butter
Steps
deep breath. you’ve got this.
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Rub and salt the roast
Remove any netting and pat the pork dry. Mix the garlic, rosemary, fennel, pepper flakes, lemon zest and olive oil into a paste. Rub the salt and pepper all over the roast, then the paste. Tie it back into a tight, even shape with kitchen twine every 1½ inches.
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Chill it uncovered
Set the roast on a rack over a rimmed baking sheet and refrigerate, uncovered, at least 8 hours and up to 24. The surface will look dry and tacky, which is what you want.
Don't cover it. Plastic traps moisture, and the dry surface is what browns later.
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Heat the oven, set up the pan
Take the roast out 45 minutes before cooking. Set a rack in the lower third of the oven and heat it to 325°F. Scatter the onions in a roasting pan, add the water, and set the roast on top, fat side up.
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Roast low and slow
Roast until a thermometer in the thickest part reads 190°F and a skewer slides in with little resistance, 3 to 3½ hours. Pork is safe at 145°F, but shoulder is tough until its connective tissue melts, and that happens near 190°F. If the onions darken too much, add a splash of water.
Judge by the skewer, not the clock. A roast that fights the skewer needs another 20 minutes.
About 195 min. Cook mode has a timer for this step.
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Brown the outside
Raise the oven to 450°F and roast 10 to 15 minutes more, until the top is deep brown and crisp at the edges.
About 12 min. Cook mode has a timer for this step.
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Rest, then slice
Move the roast to a cutting board, tent loosely with foil and rest 20 minutes. Snip the twine. Slice about ½ inch thick, or pull it into chunks if it's very tender. Spoon the onions and pan juices over the slices.
About 20 min. Cook mode has a timer for this step.
Good to know
the stuff I’d tell you over the phone
- A bone-in shoulder of 5 to 6 pounds works the same way. Skip the tying, add 30 to 45 minutes, and go by the skewer.
- For pulled pork, keep going to 200°F, about 30 minutes longer, rest 20 minutes, and shred with two forks.
- You can skip the overnight salting. Rub it, rest it 1 hour at room temperature, and add a bit more time. It will taste good but less seasoned through.
- Storage. Refrigerate sliced pork with its juices up to 4 days. Freeze up to 3 months. Reheat covered in a 300°F oven with a splash of the juices, or crisp slices in a hot skillet.
Questions, answered
the questions my cousins text me
What temperature is pork shoulder done?
For slices, 190°F, when a skewer slides in with little resistance. For shredding, 200°F. Pork is safe to eat at 145°F, but shoulder at that temperature is still chewy.
Should I cover pork shoulder when roasting?
No. Uncovered roasting gives you a browned crust and concentrated drippings. The onions and water in the pan keep the drippings from burning.
Can I roast pork shoulder from frozen or the same day?
Thaw it fully in the fridge first, which takes about 2 days for 4 pounds. If you didn't plan ahead, salt it and rest it at room temperature for an hour before roasting.
Why is my pork roast tough?
It's undercooked. Shoulder needs to reach about 190°F before the collagen melts into gelatin. Put it back in the oven and check again in 20 minutes.
How long does a 4 pound pork shoulder take to roast?
About 3 to 3½ hours at 325°F. Bone-in or larger roasts take longer, so go by the skewer and the thermometer.
Can I make it ahead?
Yes. Roast it a day ahead, chill it whole, then slice cold and reheat the slices in the juices in a 300°F oven for 20 minutes.
From the table
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Published October 29, 2026.