In a large saucepan heat the oil

Sauté the onion , carrot and celery until soft but not coloured

Add the garlic , turmeric , ginger, cumin , chilli and salt

Cook for another minute or 2

Add in the tomatoes and cook until the liquid has reduced , scraping the bits from the bottom of the pan

Add in the lentils and stock bring to the boil then simmer for about 10 minutes or until lentils are soft

At this point you can add in some kale and cook for another 5 minutes

Serve with some fresh chopped herbs on top or a dollop of Greek yogurt