Thai steak stir-fry

Method

1. Mix together the juice of 2 limes, 3 tbsp fish sauce, 2 tbsp soft brown sugar, 1 red chilli, deseeded and sliced, and 2 tbsp rice vinegar in a jug.
2. Heat a large, heavy frying pan or griddle. Brush 2 small sirloin steaks with olive oil, season and cook for 2 minutes each side. Set aside to rest.
3. Heat 1 tbsp sesame oil in a wok or frying pan and stir-fry 200g tenderstem broccoli with a splash of water for 2 minutes. Add 2 red peppers, deseeded and sliced, 2 pak choi, quartered, and a good handful beansprouts, and cook for a few minutes.
4. Pour over the chilli dressing and toss well. Slice the beef and serve on the stir-fried vegetables.