Start by cooking the bacon rashers in a frying pan over medium/high heat until crispy. Set aside on a plate lined with a paper towel until ready to use. Wash out the frying pan and dry completely.
Get the chicken thighs and lay them out on a chopping board. Place some plastic wrap over the top of the chicken and then flatten the larger fillet end using the base of the frying pan or a saucepan (or meat mallet if you have one). You want the fillets all to be an even thickness.
Get two bowls and in one, add the eggs and whisk together well. In the second bowl, add the flour, corn flour, baking powder and all spices and mix together well.
To the frying pan over medium/high heat, add enough canola oil to cover the base and be about 1.5 cm deep.
Dredge the chicken pieces first in the egg then into the flour mixture, making sure each piece is completely coated. Repeat with all chicken pieces.
Once the oil is hot, place the chicken pieces into the oil and fry until golden brown on one side, turn and continue to fry until golden on the other side. Use a thermometer to check that the chicken is cooked all the way through - it should be 75°C (165F).
Depending on the size of your pan, you may need to cook the chicken in batches as you don’t want to overcrowd the pan as this will prevent the chicken from getting crispy. Once the chicken pieces are cooked, place them on a plate lined with paper towels to absorb any extra oil.
Assemble the burger by placing a generous amount of mayonnaise on the bottom side of the burger bun, followed by lettuce, bacon and then a piece of the crispy chicken and the top of the bun. Serve immediately.