This is a light and very healthy curry. Add some Greek yogurt at the end if you like a richer tasting curry. Most vegetables that need rescuing in the bottom of the fridge can be used in this curry. Serve with basmati rice.
Cook the potatoes in boiling salted water for 10 minutes. Drain and set aside. Meanwhile, prepare the vegetables.
Heat the oil in a large pan, add the onion and garlic and cook for a bout 5 minutes, stirring occasionally.
Add the coconut and curry paste and cook, stirring, for 1 minute. Add the tomatoes and cook until mixture resembles a thick paste.
Add the vegetables, salt and 150ml water. Bring to the boil, cover and simmer for about 15 minutes, then add the spinach. Cook for a further 5 minutes or until all the vegetables are just tender. Season and add the coriander sprigs just before serving.