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How Long to Cook Pork Loin Roast

3 cooking methods with times, temperatures, and tips. Safe to 145°F (USDA FSIS).

Roast

Pork Loin Roast

Cook Time

60-90 min

Set Roast To

350°F

cooking temperature

Safe Internal Temp

145°F

63°C · USDA FSIS

Preheat Roast before cooking

Cooking Tips

  • Score the fat cap for crispier surface
  • Pull from oven at 140F for carryover cooking to 145F
  • Let rest 10-15 minutes before slicing

Rest for 10 minutes before serving

Resting allows juices to redistribute for a moister result.

Roast Temperature Options

TemperatureCook Time
325°F75-105 min
350°Frecommended60-90 min
400°F50-75 min

Adjust Cooking Time by Weight

Adjust for Weight

48oz
32 oz80 oz

Adjusted cooking time

60-90 min

All 3 Ways to Cook Pork Loin Roast

Kitchen Timer

Kitchen Timer

75:00

75 min preset

min
:
sec

Frequently Asked Questions

How long does it take to cook Pork Loin Roast?

Pork Loin Roast typically takes 60-90 minutes using the Oven method at 350°F. Times vary by cooking method and weight.

What temperature should Pork Loin Roast be cooked to?

Pork Loin Roast must reach an internal temperature of 145°F (63°C) according to USDA FSIS guidelines. Always verify with a meat thermometer.

What is the best method to cook Pork Loin Roast?

Pork Loin Roast can be prepared using 3 different methods: Roast, Grill (Indirect), Slow Cooker. The most popular method is Roast.

Can I cook Pork Loin Roast from frozen?

Yes, you can cook Pork Loin Roast from frozen. Add approximately 50% more cooking time (multiply by 1.5x). Always verify the internal temperature reaches the safe minimum before serving.

How do I know when Pork Loin Roast is done?

The most reliable way to check doneness is using an instant-read meat thermometer. Pork Loin Roast is done when the internal temperature reaches 145°F (63°C). Do not rely on color alone.