Add the tortilla and fry for 1-2 mins on each side until crisping at the edges.

Transfer to a plate.

2)Crack the egg into the pan and cook to your liking.

Meanwhile, tip the beans into a bowl, season and add a squeeze of lime, then lightly mash with a fork.

3)Spread the beans over the tortilla, top with the egg, avocado, feta and chilli sauce.

Squeeze over a little more lime juice just before eating.