Place the chicken and a little seasoning in a food processor with 50g of the panko crumbs and whiz to a coarse pulp. Add the milk, whiz again for 20 seconds. Add the chopped basil then remove to a bowl and chill for 30 minutes.
Flour your hands and shape the mix into 4 evenly sized burgers.
Mix the remaining panko crumbs and Parmesan. Pass the burgers