For the marinade
2.5cm/1in piece fresh ginger, peeled
2 garlic cloves, peeled
¼ tsp salt
1 lime, juice only
½ tsp ground coriander
½ tsp chilli powder
½ tsp ground turmeric
½ tsp ground cumin
2 chicken breasts, cut into bite-sized pieces
75ml/2½ fl oz plain yoghurt
For the curry
1 tbsp sunflower oil
1 red onion, peeled and finely sliced
2 tomatoes, seeds removed, flesh finely chopped
1 tbsp tomato purée
splash water
75ml/2½ fl oz double cream
150g/5oz baby spinach leaves












