Daal saag

INGREDIENTS

• 225g/8oz moong daal (yellow split lentils
• 750ml/1pt 7fl oz water
• 2-3 tbsp sunflower or vegetable oil
• 1 tsp black mustard seeds
• ¼ tsp ground turmeric
• ¼ tsp ground cumin
• ¼ tsp asafoetida or fennel seeds
• 2 tbsp grated fresh ginger
• 2 green chillies, de-seeded and chopped
• 8 curry leaves
• 100g/3½ oz spinach
• 2 spring onions