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How Long to Cook London Broil

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

Broil

London Broil

Cook Time

5-7 min

Set Broil To

high

cooking temperature

Safe Internal Temp

145°F

63°C · USDA FSIS

Preheat Broil before cookingFlip halfway through

Cooking Tips

  • Marinate for at least 4 hours for tenderness
  • Broil close to the element for a good sear
  • Slice very thinly against the grain

Rest for 10 minutes before serving

Resting allows juices to redistribute for a moister result.

London Broil Doneness Guide

LevelInternal TempDescription
rare°FCool red center
medium rare°FWarm red center
medium°FWarm pink center
medium well°FSlight pink center
well done°FNo pink, fully cooked

Adjust Cooking Time by Weight

Adjust for Weight

32oz
24 oz48 oz

Adjusted cooking time

5-7 min

All 2 Ways to Cook London Broil

Kitchen Timer

Kitchen Timer

06:00

6 min preset

min
:
sec

Frequently Asked Questions

How long does it take to cook London Broil?

London Broil typically takes 5-7 minutes using the Broiler method at high. Times vary by cooking method and weight.

What temperature should London Broil be cooked to?

London Broil 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 London Broil?

London Broil can be prepared using 2 different methods: Broil, Grill. The most popular method is Broil.

Can I cook London Broil from frozen?

Yes, you can cook London Broil 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 London Broil is done?

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