Black pepper chicken and vegetable stir-fry

Name: Black pepper chicken and vegetable stir-fry
Prep time: 30 min
Cook time: 30 min
Total time: 1 h
Cuisine: Asian, Chinese
Ingredients: 2 tbsp olive oil; 3 chicken thigh fillets, cut into pieces; 1 aubergine, cut into 2cm/¾in cubes; 4 spring onions, sliced into 2cm/¾in pieces; ½ courgette, cut into 1cm/½in slices; 2 banana shallots, cut into 8 segments lengthwise; 40g/1½oz fresh root ginger, peeled and finely grated; 4 garlic cloves, finely sliced; 1 fat red chilli, finely sliced; 2 tsp freshly ground black pepper; 4 tbsp reduced-sodium soy sauce; 1 tbsp dark brown sugar; 1 tsp cornflour; handful basil leaves, roughly chopped; freshly squeezed lime juice, to serve