2 spring onions, sliced, to serve
2 tbsp tomato ketchup
5 tbsp plain flour
40g/1Β½oz light brown sugar
1 tbsp cornflour, mixed to a smooth paste with 2 tbsp of the pineapple juice
cooking oil spray
1 tbsp low salt soy sauce
40ml/1Β½fl oz apple cider vinegar
1 large free-range egg, beaten with 1 tbsp whole milk
2 chicken breasts, cut into 1cm/Β½in bite-size pieces
80²µ/2ΒΎ΄Η³ϊ panko breadcrumbs
150ml/ΒΌ pint pineapple juice