London Broil is a cut of beef renowned for its rich, beefy flavor and versatility, typically taken from the top round or flank steak. Traditionally marinated and broiled or grilled, London Broil can be transformed into a tender, juicy dish using the modern convenience of an air fryer oven. This method not only speeds up the cooking process but also delivers a crisp, caramelized exterior while locking in succulent juices. Whether you are a busy home cook or an enthusiast looking to experiment with your air fryer oven, mastering London Broil in this appliance combines efficiency with gourmet results. The key lies in understanding temperature control, timing, and proper preparation, all of which we will explore in depth.
Temperature control is crucial when cooking London Broil in an air fryer oven. Unlike grilling, where direct flames create a quick sear, an air fryer relies on circulating hot air to cook the meat. For optimal results, a temperature of 400°F (204°C) is generally recommended.
At this temperature:
Lower temperatures, such as 350°F (177°C), can be used if you prefer a more gradual cook that may help preserve juiciness, but it may lack the characteristic seared finish. Conversely, higher temperatures above 420°F (216°C) risk overcooking the outer layers while leaving the center underdone.

Cooking time in an air fryer depends on thickness, weight, and desired doneness. For a typical 1-1.5 pound London Broil cut:
Timing can vary depending on the air fryer model and whether the meat was marinated or at room temperature. A thicker cut may require a few extra minutes. Always remember that meat continues to cook slightly after removal due to carryover heat.
The most reliable method to check doneness is a meat thermometer:
Visual cues also help: the exterior should be golden-brown and caramelized, while the interior should show the appropriate color gradient for your preferred doneness. Rest the meat for 5-10 minutes after cooking to allow juices to redistribute.
Optional garnishes include fresh herbs or a squeeze of lemon to brighten the flavor.
Adjusting temperature affects both cooking time and texture:
Temperature should be paired with careful time adjustments for even results.
Altering cooking time changes doneness:
Always pair timing adjustments with internal temperature checks to ensure the meat reaches your desired level of doneness.
Common issues:
Before cooking, pat the London broil dry with paper towels and marinate it for at least 2-4 hours or overnight to enhance flavor and tenderness. Common marinades include a mixture of olive oil, soy sauce, garlic, Worcestershire sauce, and herbs. Letting the meat sit at room temperature for 20-30 minutes before cooking ensures even cooking.
Preheat the air fryer oven to 400°F (200°C) for optimal results. This high heat helps to sear the outside of the London broil while keeping the inside tender. Adjustments may be necessary depending on the thickness of the meat or the specific air fryer oven model.
Cook the London broil for approximately 12-15 minutes for medium-rare, flipping halfway through the cooking time. Thicker cuts may require 18-20 minutes. Use a meat thermometer to check internal temperature: 130-135°F for medium-rare, 140-145°F for medium.
No, covering the London broil is unnecessary. Air fryer ovens circulate hot air efficiently, creating a seared exterior. Covering could trap moisture and prevent proper browning or caramelization.
Yes, lightly brushing or spraying the London broil with oil helps achieve a golden-brown crust and prevents sticking. However, because air fryers require less oil than traditional methods, a small amount is sufficient.
After cooking, let the London broil rest for 5-10 minutes. Resting allows the juices to redistribute throughout the meat, ensuring a more tender and flavorful result. Slice against the grain to further maximize tenderness.
It is possible, but not recommended. Cooking from frozen may result in uneven cooking and a less tender texture. If necessary, thaw the meat in the refrigerator for 24 hours or use a cold water bath to speed up thawing before air frying.