Agitate the matchsticks in the water to remove the starch, then drain. Lay out a clean tea towel, evenly spread over the potatoes and press to remove the water and set aside to allow to dry

Cut the seeds out of the avocados, scoop the flesh into a bowl and mash up with lemon juice then set aside

Finely chop the coriander, deseed and finely chop up the tomato and chilli, then finely dice the onion and throw the whole lot in with the avocado and mix well. Cover and put in the fridge

In a ramekin or saucer mix together the chipotle chilli paste and agave till runny, adding a little more lemon juice if too thick

Heat up the oil in a shallow frying pan, then sprinkle the fries in in batches, allowing them to cook till golden brown and crisp. Remove, drain and sprinkle with the Tajín and little more salt

Heat another frying pan a good glug of oil, and place in the burgers; cook on both sides till browned, then turn the heat down to low, and brush on the chipotle paste

Assemble by toasting the bun, spreading a little of the remaining chipotle paste on the bottom bun, the adding the patty, some guac, a few fries, then you're ready to eat!