Step 2 of 5

Preheat the air fryer to 160°C / 325°F and cut a perforated parchment liner to fit the basket. Never preheat with an empty liner in the basket — it can lift into the element.

Cook for

03:00

Ingredients for 2 servings 9

• 58 g butter
• 50 g light brown sugar
• 25 g caster sugar
• 1 egg
• ½ tsp vanilla extract
• 90 g plain flour
• ¼ tsp bicarbonate of soda
• ¼ tsp fine salt
• 75 g dark chocolate chips