Beef with pak choi, mushrooms & noodles

INGREDIENTS

• 75 g thin rice noodles
• 115 g quality beef sirloin
• olive oil
• 1 teaspoon ground cumin
• sea salt
• ½ red onion, finely sliced
• 1 thumb-sized piece fresh ginger, peeled and finely sliced
• 1 fresh red chilli, deseeded and finely sliced
• 1 small handful shiitake and oyster mushrooms, brushed clean and torn up
• 200 ml organic chicken stock
• 1 pak choi, quartered