Chicken Laksa with Carrot Noodles (20-minute recipe)

• 1 brown onion
• 1 red chillis
• 2 cm piece ginger
• 1 stick lemongrass
• 1 tbsp extra virgin olive oil
• 400 g chicken strips
• 1.5 l chicken or vegetable stock
• 270 g coconut milk
• 2 tbsp red curry paste
• 2 kefir lime leaves
• 250 g mushrooms, sliced
• 2 large carrots, spiralized
• 2 bunches bok choy, end cut off, leaves separated
• 1 Lime to serve, optional