Step 1 of 8

Preheat the air fryer to 185°C / 370°F and add a tablespoon of water to the drawer under the basket.

Cook for

03:00

Ingredients 7

• 500 g beef mince
• 1 tsp fine salt
• ½ tsp black pepper
• 1 tsp onion powder
• 4 slices cheddar or American cheese
• 4 burger buns
• 1 tbsp water