Melt the coconut oil in a large pan and fry the onions until softened.
Stir in the garlic, ginger, turmeric, cinnamon, cayenne and salt and fry for another minute.
Add the carrots and 1 litre boiled water, boil and then turn down the heat and simmer for 10-15 mins, or until the carrots are soft.
Use a blender and blend until smooth, add water to thin if needed then taste and season.