Tamarind chickpeas - Good Food Middle East

Ingredients

• 1 tbsp vegetable or sunflower oil
• ½ tsp nigella seeds (look for these in supermarkets)
• 1½ tsp fennel seeds
• 1 medium onion, chopped
• 400g can chopped tomatoes
• 3 green chillies, seeded and cut into qurters lengthways
• 2-3 tsp light muscovado sugar
• 1 tsp paprika
• 1 tsp turmeric
• 410g can chickpeas, drained and rinsed
• 1 tbsp tamarind paste
• 1 tbsp chopped fresh coriander
• half a 250g/9oz bag baby spinach leaves
• natural yogurt and chapatis, to serve