Beef burgers cook well in an air fryer because the direct, circulating heat browns both sides at once without needing a hot pan or a lot of oil — the main risk is overcooking, since minced beef patties are less forgiving than a whole steak once they pass their target temperature.
Timing
For a standard 100–150g fresh patty at 190°C: 8–10 minutes for medium, flipping halfway. Thicker gourmet-style patties (over 180g) need closer to 11–13 minutes. Frozen patties add roughly 4–5 minutes to the fresh timing at the same temperature.
Safe Minced Beef Temperature
Unlike a whole steak, minced beef needs to reach 71°C throughout, because the mincing process can distribute surface bacteria through the whole patty rather than keeping it confined to the exterior, which whole cuts benefit from. There's no 'medium-rare' safety margin for burgers the way there is for steak — 71°C is the minimum regardless of preferred doneness.
Keeping Burgers Juicy
An 80/20 lean-to-fat ratio patty stays noticeably juicier than a leaner mix at the required 71°C, since the extra fat has more room to render without drying the meat out. Don't press down on patties while they cook — a habit carried over from griddle cooking — as this squeezes out juices that would otherwise stay in the meat.
Cheese and Toppings
Add cheese for the final 1–2 minutes of cooking so it melts without burning — the same principle as garlic cheese bread. Toast buns separately for 1–2 minutes at 160°C if your air fryer has room, or simply under a grill, since doing everything at once in a crowded basket compromises the burger itself.