What's the secret behind why Chipotle's chips are so imminently craveable ... they get tossed in salt and a healthy squirt of fresh lime juice to give them their signature tang.

A hot and smoky chipotle chilli sauce, perfect for fajitas, gorditas and even as a side sauce for chips and omelettes ... sugar and lime juice. Bring to the boil, reduce the heat and simmer ...

Mix the chipotle paste and lime juice in a large bowl and season ... Remove from the air fryer and leave to rest while you make the tortilla crisps. Leave the air fryer on at 180C.