Maa-artisokkakeitto

http://eatdrinkpaleo.com.au/jerusalem-artichoke-soup-with-carrot-ginger…

1 brown onion, diced
1 teaspoon of ghee or coconut oil
2 slices of fresh ginger, diced
3 medium Jerusalem artichokes, peeled and diced
1 large carrot, peeled and diced
2 cloves garlic, diced
Zest of ½ lime
2 cups vegetable stock
1 tablespoon fish sauce
Juice of ½ lime
3 tablespoons coconut cream