Place chicken breasts into cling film and flatten until even in thickness and then cut each breast in half.
Fill a bowl with buttermilk and place the breasts in it to soak.
Get a second bowl and put the cornflour, chilli flakes, chilli powder and paprika into it and mix together.
Take a piece of chicken out of the buttermilk, let some of the excess buttermilk drip off before placing it into the cornflour mix. Mix until the piece of chicken is covered before putting it into a preheated pan with oil. Repeat with each piece of chicken.
While the chicken burgers are cooking, Grill your bacon until cooked.
When the chicken burgers are cooked, place one slice of cheese on each. Put a lid on the pan containing your burgers and leave for about 2 minutes until the cheese has melted.
Place the two pieces of bacon on top of the burgers and cheese.
Toast your burger buns
Cover the bottom layer of your bun with mayonnaise and lettuce.
Stack the patty with the cheese and bacon on top of one the plain patties.
Place this stack on your bottom bun and close with the top of your bun.