Put the chicken thighs, Cajun spice and olive oil in a large bowl, and mix well ensuring the chicken is thoroughly coated. Heat a large pan over a medium heat and sear the chicken for 2 mins on each side, until browned. Pour in 50ml water, cover and cook for 8 mins or until the chicken is opaque and cooked through – the water helps keep the chicken tender; you can evaporate any remaining liquid once cooked. Remove from the heat and shred the chicken using two forks.

While the chicken is cooking, combine the black beans, sweetcorn, cucumber, avocado, coriander, lime juice and some salt and pepper in a large bowl. Add the chopped red chilli, if using, and mix well.

Warm the tacos in a dry frying pan over medium heat. To serve, spoon the salad onto each taco and top with the shredded chicken.