Black-Eyed Beans with Mushrooms

225g dried black-eyed beans

225g fresh mushrooms

6 tbsp sunflower oil

1 tsp whole cumin seeds

2.5cm piece of cinnamon bark

150g onion, peeled and chopped

4 cloves garlic, peeled and very finely chopped

400g fresh or tinned tomatoes, peeled and chopped

2 tsp ground coriander seeds

1 tsp ground cumin seeds

½ tsp ground turmeric

pinch of sugar

¼ tsp cayenne pepper

1 good tsp salt, (it needs it so don’t cut down)

freshly ground black pepper

3 tbsp chopped fresh coriander (fresh parsley may be substituted though the flavour is not at all the same)