How Long to Cook Pork Butt / Boston Butt (Pulled Pork) in the oven

Specification: 5 lb bone-in pork shoulder / Boston butt, rubbed with spices and roasted in covered roasting pan

Target Temp

300°F (149°C)

Radiant Heat

Total Time

4.5–5.5 hours

Total Cook Window

Flip Mark

180m

Turnover Point

Internal Safe Temp

203°F (95°C)

USDA Safe Pull

COOK MODE

Live timer · flip prompt · target temp · rest stage

Start cook

3-Step Execution Protocol

Preheat & Prep

Preheat oven to 300°F (149°C). Prepare pork butt / boston butt (pulled pork) (5 lb bone-in pork shoulder / Boston butt, rubbed with spices and roasted in covered roasting pan).

Cook & Flip

Cook for 4.5–5.5 hours. Flip at the 180-minute mark for even browning.

Check & Rest

The clean blade bone slides out of the meat with zero effort and meat shreds under gentle finger pressure Confirm internal temperature reaches 203°F (95°C). Rest for 30 minutes before serving.

Verification Basis & Testing Rig

National Pork Board Foodservice Master Table & USDA FSIS Low and Slow Roasting Guidelines

Pro Tip: Roast covered with foil until core reaches 175°F, then unwrap for the final 90 minutes to develop an authentic deep mahogany spice bark.

Related oven Cook Times

Chicken Breast (Boneless, Skinless)

400°F (204°C)20–25 mins

Salmon Fillet (Skin-On, Center Cut)

400°F (204°C)12–15 mins

Baked Potato (Whole Russet)

400°F (204°C)50–60 mins

Bacon (Thick-Cut, Sheet Pan Method)

400°F (204°C)18–22 mins

Pork Chops (Bone-In, 1-inch Thick)

400°F (204°C)18–22 mins

Chicken Thighs (Bone-In, Skin-On)

425°F (218°C)35–45 mins