This soup does double duty as a nourishing hot broth, or chilled and served as a dessert soup.
6 whole walnuts
4 cups water
2 slices ginger
2 tablespoons plus 1 teaspoon sugar
In a medium saucepan, bring to a boil the walnuts and 4 cups water. Turn down the heat and simmer for 30 minutes.
Add the ginger slices. Simmer for at least another 30 minutes. Stir in the sugar. Remove the walnuts. Leave in the ginger or remove as desired.