How Long to Cook Baked Potato (Whole Russet) in the sheet pan
Specification: Whole russet potatoes (8–10 oz each), scrubbed, dried, pierced with fork, rubbed with oil and sea salt
3-Step Execution Protocol
Preheat oven to 400°F (204°C). Arrange baked potato (whole russet) (Whole russet potatoes (8–10 oz each), scrubbed, dried, pierced with fork, rubbed with oil and sea salt) on a parchment-lined sheet pan in a single layer. Spray lightly with high-smoke-point oil.
Cook for 45–55 mins. Flip at the 25-minute mark for even browning.
Skin is crisp and papery; potato yields easily when squeezed with an oven mitt and core reads 205–210°F Confirm internal temperature reaches 208°F (98°C). Rest for 5 minutes before serving.
Idaho Potato Commission Official Baker Guidelines & America's Test Kitchen Potato Science