2. Dip the walnuts into boiling water just long enough to get them hot, approximately 20-30 seconds. Remove and shake off excess water.
3. Dump the nuts in the bowl, mix well. Shake off any excess sugar, although there probably won't be any.
4. Place the nuts on an oiled sheet pan in a single layer. Cook at 350°F for approximately 30 minutes, watching carefully.
Sandor Katz lives to ferment; it’s his life’s work. The author of The Art of Fermentation shares how to make kombucha at home.