
Cooking roast beef in an air fryer is a quick and easy way to achieve a tasty, tender roast. It is possible to cook frozen roast beef in an air fryer, but some recommend bringing the beef to room temperature first to avoid overcooking the exterior. A 2.5-pound roast beef should be cooked in the air fryer for around 70-75 minutes at 330 degrees Fahrenheit, flipping halfway through and seasoning with salt and pepper. For a rare roast, the internal temperature should reach 125 degrees Fahrenheit; for medium-rare, 140 degrees Fahrenheit. After cooking, the beef should be left to rest for at least 10 minutes.
Cooking Frozen Roast Beef in an Air Fryer
| Characteristics | Values |
|---|---|
| Temperature | 330°F |
| Timing | 70-75 minutes |
| Internal Temperature | 140°F (medium rare) |
| Resting Time | 10 minutes |
| Preheat | Not required |
| Seasoning | Salt and pepper |
| Sides | Fresh vegetables, onion, garlic, potatoes, rice, taters, or Yorkshire pudding |
| Other Tips | Use a meat thermometer, slice the beef against the grain, let the beef come to room temperature before cooking, use a tender cut of beef |
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What You'll Learn

Preheat the air fryer
Preheating your air fryer is a crucial step in the cooking process. While some recipes for air-fried frozen roast beef recommend skipping the preheating step, preheating can help you achieve a good sear on the beef and prevent overcooking.
To preheat your air fryer, simply turn it on and set it to the desired temperature. Most recipes recommend preheating your air fryer for at least 5 minutes at the recommended temperature, which is typically around 330 degrees Fahrenheit for cooking frozen roast beef. However, you can adjust the temperature and cooking time based on your desired level of doneness. For example, if you prefer your roast beef rare, you will need less time than if you prefer it well-done.
It is important to note that not all air fryers are created equal, and the size and wattage of your air fryer may affect the preheating time and temperature. As such, it is always a good idea to refer to your air fryer's user manual for specific instructions and guidelines. Additionally, when cooking frozen roast beef, it is essential to ensure that the meat is thoroughly cooked while avoiding overcooking, which can lead to dry and tough meat.
While preheating the air fryer is not always necessary, especially when cooking frozen foods, doing so can help ensure more consistent results. By preheating your air fryer, you create a hot cooking environment that promotes even cooking and helps you achieve the desired doneness for your roast beef. This is especially important when cooking thicker cuts of meat, as it can help prevent the outer part of the meat from overcooking before the inside reaches the desired temperature.
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Seasoning and temperature
Seasoning your roast beef is an important step in achieving the perfect flavour. While some recipes suggest keeping it simple with just salt and pepper, others recommend adding extra virgin olive oil to the mix to produce a crispy edge. You can also try a dry rub, which will give your roast beef an amazing flavour and a nice dry crust on the outside. If you're feeling adventurous, try a compound butter with various seasonings, such as garlic butter made with roasted garlic.
If you're cooking your roast beef straight from frozen, you might want to add some moisture back into the meat as the hot air from the air fryer will dry it out. One way to do this is to drizzle a bit of beef broth on top before heating it up.
When it comes to temperature, the key is to cook your roast beef at a lower heat for a longer time if you want it to be tender and juicy. Air fryers cook around 30% faster than conventional ovens, so you can expect your roast beef to be ready in around 40-42 minutes, depending on the size of your roast and the model of your air fryer. For a 2.5-pound roast, you might need up to 75 minutes. It's important to keep in mind that air fryers cook quickly, and overcooking can result in dry meat. The ideal temperature for your roast beef will depend on how well done you like it. For a rare roast, aim for an internal temperature of 125°F, while medium-rare is achieved at 140°F. If you prefer your meat more well done, you'll be looking at temperatures of 140°F and above.
To ensure your roast beef is cooked to your desired doneness, it's a good idea to use a meat thermometer. Keep in mind that the internal temperature of the roast can rise by 10-15°F even after removing it from the air fryer, so take it out when it's 5-10 degrees lower than your desired temperature. Finally, let your roast beef rest for at least 10 minutes before slicing and serving. This allows the juices to redistribute, keeping the meat moist and tender.
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Resting the beef
During the resting period, the internal temperature of the roast beef will continue to rise. This is known as carryover cooking, and it is more prominent when cooking with higher heat. For example, a roast cooked in an air fryer at 325°F will experience a smaller temperature rise post-cooking than one cooked in a conventional oven. With an air fryer, you can expect the roast's temperature to increase by 10-15°F as it rests. This is an important factor to consider when determining the desired doneness of your roast beef.
If you are in a hurry, you can shorten the resting time to 5 minutes. However, it is important to note that a shorter resting period may affect the tenderness and juiciness of your roast beef. To achieve the best results, it is recommended to follow the suggested resting time of at least 10 minutes.
While the beef is resting, you can prepare any desired sides or sauces to accompany your meal. This could include fresh vegetables, potatoes, or a quick gravy made from the beef drippings. Additionally, if you are cooking frozen roast beef, you may want to add extra moisture to your dish, as the hot air of the air fryer can dry out the meat. This can be done by drizzling beef broth or gravy over the roast before serving.
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Reheating
Next, place the leftover roast beef slices in the air fryer basket and set the temperature to 375 degrees Fahrenheit. Reheat for 3-5 minutes or until warmed through.
After removing the beef from the air fryer, it is important to let it rest for at least 10 minutes. This allows the muscle fibres to relax and redistributes the juices, keeping the roast tender and moist.
While it is possible to reheat frozen roast beef in an air fryer, it is generally recommended to thaw it first for the juiciest results. If you are short on time, however, you can cook frozen roast beef in the air fryer by placing it inside and setting the temperature to 330 degrees Fahrenheit. For a 2 1/2 pound roast, cook for about 75 minutes, flipping and seasoning halfway through. Remove the roast when the internal temperature reaches 140 degrees Fahrenheit (medium-rare) and let it rest for at least 10 minutes.
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Choosing the right cut
Type of Beef Cut
Opt for tender cuts of beef that are suitable for roasting. Cuts like top sirloin, tenderloin, or ribeye are excellent choices for air fryer roast beef. These cuts tend to be more marbled, resulting in juicy and flavorful roasts. Leaner cuts like eye of round or sirloin can also be used but may require extra care to ensure they stay tender. If you're using leaner cuts, consider adding some form of fat, such as olive oil, to help baste the meat during cooking.
Weight and Thickness
The weight and thickness of the beef cut play a crucial role in determining the cooking time and doneness. Most roast beef recipes are designed for a specific weight range, typically around 2 to 2.5 pounds. If your roast beef is significantly larger or smaller, you may need to adjust the cooking time accordingly. Thicker cuts will take longer to cook, and it's important to ensure they are cooked evenly throughout.
Personal Preference
Consider your desired doneness for the roast beef. If you prefer your beef rare, you'll want to cook it for a shorter period, while medium or well-done roasts will require additional cooking time. Remember that you can always cook the beef further if it's not to your desired doneness, but you can't undo overcooking. Therefore, it's generally better to aim for rarer and add more cooking time if needed.
Size of Air Fryer
Different air fryers have varying capacities, so it's important to choose a cut of beef that fits comfortably in your air fryer. Larger cuts, such as rump roast or rolled rib roast, may be too big for some air fryers. If your air fryer is on the smaller side, consider opting for a smaller cut or trimming the beef to fit. Alternatively, you can use the air fryer to sear the meat before finishing it in a full-sized oven.
Thawing and Room Temperature
While it is possible to cook frozen roast beef in an air fryer, many recommend thawing the beef before cooking. Bringing the beef to room temperature helps promote even cooking and can prevent the exterior from burning before the interior is cooked. If you choose to thaw your roast beef, let it sit at room temperature for 30 to 60 minutes before placing it in the air fryer.
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Frequently asked questions
Yes, it is possible to cook frozen roast beef in an air fryer. However, some sources recommend letting the beef thaw overnight in the fridge or sit out for 30-60 minutes before cooking to achieve the juiciest results.
The cooking time depends on the weight and thickness of the beef. A 2.5-pound roast beef should be cooked at 330 degrees Fahrenheit for about 70 to 75 minutes. Check the temperature of the beef with a meat thermometer—you want the internal temperature to reach 140 degrees Fahrenheit for medium-rare.
If you want to add a dry rub, season the frozen roast beef with salt, pepper, and other seasonings of your choice. You can also add a layer of extra virgin olive oil to produce a crispy edge.
It is important to keep a close eye on the cooking time, especially during the last few minutes, as air fryers cook quickly and can result in dry meat if overcooked. Additionally, always let the meat rest for at least 10 minutes after cooking to allow the juices to redistribute and keep the meat tender.











































