Chris Bavin’s spicy suppers

Sag aloo

• Serves 4

1tsp ground turmeric
500g potatoes, cut into 2cm chunks
1 tbsp vegetable oil
1 onion, finely sliced
1 tsp cumin seeds
1 tsp brown mustard seeds
2 tsp ground coriander
3cm piece ginger, peeled and chopped
2 garlic cloves, chopped
1 red chilli, deseeded and sliced
400g spinach
2 spring onions, finely chopped natural yogurt, to serve

Bring a pan of water to the boil and add the turmeric, a pinch of salt and the potatoes. Simmer for