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cast-iron ChartsDATASHEET // CT-CI-073
cast-ironSTATE: FRESHVERIFIED DATASHEET

How Long to Cook T-Bone Steak (1.5-inch, Bone-In) in the cast iron

Specification: 1.5-inch thick T-bone steak (strip and tenderloin joined by T-bone), seared in 12-inch cast-iron skillet

Target Temp
Heat Waves
500°F (260°C) Stovetop High
Stovetop Sear
Total Time
Clock Time
9–12 mins
Total Cook Window
Flip Mark
Flip Action
5m
Turnover Point
Internal Safe Temp
Thermometer Probe
130°F (54°C) (medium-rare)
USDA Safe Pull
COOK MODE
Live timer · flip prompt · target temp · rest stage
Start cook

3-Step Execution Protocol

1
Preheat & Prep

Heat cast iron skillet over 500°F (260°C) Stovetop High until lightly smoking. Prepare t-bone steak (1.5-inch, bone-in) (1.5-inch thick T-bone steak (strip and tenderloin joined by T-bone), seared in 12-inch cast-iron skillet). Spray lightly with high-smoke-point oil.

2
Cook & Flip

Cook for 9–12 mins. Flip at the 5-minute mark for even browning.

3
Check & Rest

Dark caramelized crust adhering to bone; strip side reads 130°F and tenderloin side reads 130°F Confirm internal temperature reaches 130°F (54°C) (medium-rare). Rest for 8 minutes before serving.

Verification Basis & Testing Rig

Beef It's What's For Dinner Technical Tables & America's Test Kitchen Steak Compendium

Pro Tip: Position the smaller tenderloin section toward the cooler edge of the pan while keeping the larger strip over direct heat to cook both evenly.

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