Lomo saltado (Beef stir-fry) - Good Food Middle East

Ingredients

• 300g fillet steak, cut into large cubes
• 1 tbsp vegetable oil, for frying
• ½ large red onion, cut into thick wedges
• 1 tomato, halved, deseeded and cut lengthways into eighths
• 1 amarillo chilli or medium red chilli, deseeded and sliced lengthways
• 1 tbsp Pisco (grape brandy) or vodka
• 2 tbsp ají amarillo chilli paste or Basic chilli paste (see tips)
• small handful coriander leaves, finely chopped
• chunky chips, to serve (optional)
• 2 garlic cloves, chopped
• 75ml soy sauce
• 1 tbsp red wine vinegar
• 1 tsp Worcestershire sauce
• ½ tsp dried oregano
• ½ tsp ground cumin