The active oils in garlic work like an antibiotic, so are helpful for treating infections. Coconut helps to balance gut bacteria as it contains a type of fat called lauric acid, which inhibits bacteria and viruses. Limes are rich in vitamin C and help the liver to detoxify the body - the skin and zest are particularly potent.
Tip the lentils into a large pan and add the turmeric, ginger and garlic. Pour in the stock, then cover the pan and simmer for 15 mins until the lentils have softened.
Pour in the coconut milk, stir in the leeks, cover and cook for 10 mins more.
Add the spinach and cook just to wilt it, then spoon into bowls and squeeze over the lime juice.