Easy chicken stew - Good Food Middle East

Ingredients

• 1 tbsp olive oil
• 1 bunch spring onions, sliced, white and green parts separated
• 1 small swede (350g), peeled and chopped into small pieces
• 400g potatoes, peeled and chopped into small pieces
• 8 skinless boneless chicken thighs
• 1 tbsp Dijon mustard
• 500ml chicken stock
• 200g Savoy cabbage or spring cabbage, sliced
• 2 tsp cornflour (optional)
• crusty bread or cheese scones, to serve (optional)