1 lemon, juice only
1 tbsp Dijon mustard
10 salted anchovy fillets
200g/7oz semolina flour, plus extra for dusting
100²µ/3½´Ç³ú tapioca flour (available online or from health-food specialists)
½ tsp bicarbonate of soda
pinch cayenne pepper
pinch sea salt flakes
1 tbsp smoked paprika
vegetable or sunflower oil, for deep-frying
500ml/18fl oz vegetable oil
1 tbsp white wine vinegar
3 free-range egg yolks
4 skinless chicken breasts, cut into nugget-sized pieces