Combine the chaga powder and 4 cups cold water in a small saucepan. Bring to a boil, then turn off the heat and let steep for 10 to 15 minutes. Strain and serve with maple sugar for sweetness, if desired.
Chaga mushroom powder and maple sugar can be found and purchased online.
A viewer or guest of the show, who may not be a professional cook, provided this recipe. It has not been tested for home use.
Recipe courtesy of George Martin