Heat oven to 300 degrees F.
Whip the egg white with a whip attachment until stiff.
Add the sugar, cinnamon, and salt and continue whipping until stiff and glossy. Fold in the walnuts.
Drop by spoonfuls onto a parchment lined sheet pan and bake 35 to 40 minutes. Cool and remove from the pan. Store in an airtight container.
Recipe courtesy of Gale Gand