2 Earthbound Farm Organic Garnet or Jewel Yams (sweet potatoes)
2 tablespoons olive oil
1 medium leek (sliced thinly)
2 teaspoons ground coriander
2 cups chicken or vegetable stock
2 cups water
1 star anise pod
1 cinnamon stick
1 tablespoon grated fresh ginger
1 cup unsweetened light coconut milk
2 tablespoons maple syrup (to taste)