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cast-iron ChartsDATASHEET // CT-CI-069
cast-ironSTATE: FRESHVERIFIED DATASHEET

How Long to Cook Whole Pork Tenderloin (1–1.25 lb) in the cast iron

Specification: 1.25 lb whole pork tenderloin, trimmed and tucked, seared on stovetop then transferred in skillet to 400°F oven

Target Temp
Heat Waves
400°F (204°C) Stovetop Sear + Oven
Stovetop Sear
Total Time
Clock Time
17–22 mins
Total Cook Window
Flip Mark
Flip Action
8m
Turnover Point
Internal Safe Temp
Thermometer Probe
145°F (63°C)
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 400°F (204°C) Stovetop Sear + Oven until lightly smoking. Prepare whole pork tenderloin (1–1.25 lb) (1.25 lb whole pork tenderloin, trimmed and tucked, seared on stovetop then transferred in skillet to 400°F oven). Spray lightly with high-smoke-point oil.

2
Cook & Flip

Cook for 17–22 mins. Flip at the 8-minute mark for even browning.

3
Check & Rest

All 4 long faces are deeply browned; internal core registers 145°F with delicate tenderness Confirm internal temperature reaches 145°F (63°C). Rest for 6 minutes before serving.

Verification Basis & Testing Rig

America's Test Kitchen Stovetop-to-Oven Tenderloin Protocol & USDA FSIS

Pro Tip: Brown all sides on the stovetop for 6 minutes total, then slide the entire cast iron skillet into a 400°F oven for 12–15 minutes to cook through.

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