Grilled Rotisserie Pork Roast with Herbed Butter for Charcoal and Gas Grills
A succulent rotisserie pork roast finished with a bright herbed butter, tailored for both charcoal and gas grills. Slow, even rotation over indirect heat yields an evenly browned exterior and tender, juicy slices perfect for backyard entertaining.
Ingredient Spotlight
Boneless pork shoulder (Boston butt)
A well-marbled cut from the upper shoulder of the pig often labeled as "Boston butt" in the U.S.; it’s prized for slow-roasting, braising, and pulled pork. The name comes from colonial New England but the cut is used widely in American barbecue and many global cuisines that favor long, moist cooking. It tastes rich and porky with plenty of connective tissue that breaks down into tender, flavorful meat when cooked low and slow. Find it at butcher counters or grocery meat departments labeled pork shoulder/pork butt; good substitutes are pork picnic shoulder or a bone-in pork shoulder (you’ll lose some fat if you try a leaner cut like pork loin).
Ingredient Spotlight
Smoked paprika
A Spanish spice made from dried pimentón peppers that have been smoked (traditionally over oak) before grinding, giving it a distinctive sweet-smoky aroma; it originates from the La Vera region of Spain. Flavor ranges from sweet and smoky to hot depending on the variety, and it’s commonly used to add both color and a gentle smoke note. You can find it in most grocery spice aisles, specialty markets, or online. To substitute, mix regular sweet paprika with a small amount of liquid smoke or smoked salt, or use chipotle powder for a hotter, different-smoked profile (adjust quantities to taste).
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Ingredient Spotlight
Apple wood chunk (optional, for smoke)
Apple wood chunks are pieces of hardwood from apple trees used for smoking on charcoal grills and smokers to impart a mild, sweet, fruity smoke to meats, especially pork and poultry. This technique is rooted in American and European barbecue traditions where different woods are chosen for complementary smoke flavors. The aroma is subtle and slightly sweet compared with stronger woods like hickory or mesquite. Find apple wood chunks or chips at barbecue shops, hardware stores, or online; alternatives include other fruit woods like cherry or peach, or use wood chips/water-soaked chips, pellet smokers, or pantry options like smoked paprika/liquid smoke for indoor stovetop substitution.
Author's Note
"This rotisserie method gives reliably juicy pork with a beautiful crust and a glossy herbed finish — ideal for weekend gatherings. Home cooks will appreciate the straightforward seasoning and the hands-off cooking once the roast is mounted."
Grilled Rotisserie Pork Roast with Herbed Butter for Charcoal and Gas Grills
A rotisserie pork shoulder is one of those dishes that feels celebratory without being fussy — it rewards time and steadiness rather than technique. Slow, continuous rotation renders the dense marbling of a Boston butt into silky, juicy slices while the surface caramelizes to a thin, glossy crust; the herbed butter in this recipe does double duty, basting during the cook to encourage even browning and finishing the meat with a pop of fresh rosemary, thyme and garlic. A single apple wood chunk adds a whisper of smoke on charcoal grills, while gas setups produce the same even roast with far less babysitting.
This version is tuned to the realities of home grills: trim and truss the roast so it spins true, split the compound butter so you have a room-temperature portion for basting and a chilled knob for a dramatic finish, and target 150°F so carryover yields slices that are rosy and moist rather than dry. Expect about 2–2½ hours for a 3.5 lb shoulder; the payoff is an impressive platter that slices beautifully for family-style service, sandwiches, or leftovers that reheat exceptionally well.
Plan your timing
Ingredients
Instructions
Make the herbed butter
For this step
- 6 tbspUnsalted butter
- 2 tbspFresh herbs (rosemary & thyme), finely chopped
- 4 cloveGarlic, minced
Season and truss the pork
For this step
- 3.5 lbBoneless pork shoulder (Boston butt)
- 2 tbspKosher salt
- 1 tbspFreshly ground black pepper
- 2 tbspBrown sugar
- 1 tbspSmoked paprika
- 2 tbspOlive oil
Set up rotisserie for charcoal or gas
For this step
- 1 chunkApple wood chunk (optional, for smoke)
Cook, baste, and monitor internal temperature
Rest, finish and carve
Tips from the kitchen
Trim for even rotation
Remove large flaps of fat or thin extremities so the roast is a compact cylinder; this prevents wobble and ensures even cooking on the spit.
Balance the spit
Slide the forks in symmetrically and adjust position until the roast doesn't pull the motor when you spin it by hand; a balanced load reduces strain and wobble.
Baste with room-temperature butter
Use the softened half of the compound butter to baste every 30–40 minutes so the herbs and garlic bloom on the surface without congealing or burning.
Probe placement matters
Insert an instant-read thermometer into the geometric center of the roast (avoiding any bone) for an accurate reading of doneness.
Control smoke intensity
If using apple wood, add a single chunk at the start for a subtle note; for stronger smoke, add a second chunk midway rather than piling wood on at once.
Variations & substitutions
Pork loin for leaner meat
Swap a boneless pork loin if you prefer leaner, more uniform slices; reduce cooking time and pull at 140–145°F to avoid overcooking.
Maple-brown sugar glaze
Mix maple syrup and extra brown sugar into the basting butter for a sweet-savory finish that plays wonderfully with apple smoke.
Herb swap: sage and parsley
Replace rosemary and thyme with chopped sage and flat-leaf parsley for an earthier, autumnal profile that pairs well with roasted root vegetables.
Ghee for dairy-free
Use clarified butter or ghee for basting and finishing if you need to lower lactose; it still delivers fat for browning without the milk solids.
Storage & make-ahead
Cool slices to room temperature before storing in an airtight container; refrigerated leftovers will keep 3–4 days, or freeze for up to 3 months wrapped tightly in foil and a freezer bag. Reheat gently in a 300°F oven covered with a splash of stock or reserved juices until warmed through to preserve moisture, or reheat individual slices in a skillet with a knob of butter for crisp edges.
What to serve with it
Serve thick slices topped with the chilled herbed butter so it melts as guests dig in, alongside smashed Yukon Gold potatoes or a mustardy potato salad and an apple-cabbage slaw to cut the richness. A bright condiment such as whole-grain mustard, apple chutney or a chimichurri with parsley and lemon lifts the pork, while drinks from a crisp lager or saison to a medium-bodied Zinfandel make good matches.
Frequently asked questions
Why target 150°F instead of the USDA 145°F?
Shoulder is a collagen-rich cut that benefits from higher finishing temperature; 150°F plus carryover yields tender, sliceable meat without drying, while 145°F may feel firmer and less rendered unless finished longer.
Can I use a bone-in shoulder on the spit?
Yes — bone-in adds flavor and helps stabilize the roast, but expect slightly longer cook times and be sure to position the probe away from bone for accurate temperature readings.
How do I tell if the spit is balanced?
With the motor off, rotate the spit by hand; a balanced roast will spin smoothly without pulling to one side and should stay roughly centered when you let go.
How much smoke should I add on a gas grill?
Start with one small apple wood chunk placed over a live burner or in a smoker box for a subtle fruit smoke; add a second chunk midway only if you want a more pronounced smoke flavor.
What's the best way to reheat carved slices?
Layer slices in a shallow pan, moisten with a little stock or reserved pan juices, cover tightly with foil, and warm in a 300°F oven until just heated through to preserve juiciness.
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Ingredients
- Unsalted butter6 tbsp
- Fresh herbs (rosemary & thyme), finely chopped2 tbsp
- Garlic, minced4 clove
- Boneless pork shoulder (Boston butt)3.5 lb
- Kosher salt2 tbsp
- Freshly ground black pepper1 tbsp
- Brown sugar2 tbsp
- 🛒 BuySmoked paprika1 tbsp
- Olive oil2 tbsp
- Apple wood chunk (optional, for smoke)1 chunk
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Nutrition Facts
Per serving: 1/6 roast (310g)
Nutrition values are estimated from USDA ingredient data and may vary based on preparation, brands, and portion sizes. Values are provided for informational purposes only.
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