Flourless Chocolate, Cherry, and Pistachio Chewy Cookies - FineMark Bank & Trust, a division of Comm

Ingredients

• 6 ¾ cups confectioners' sugar (sifted)
• 1 ¾ cups cocoa powder
• 1 teaspoon fine kosher salt
• 1 cup walnuts (coarsely chopped)
• 2 ½ cups pistachios (raw shelled and roughly chopped)
• 2 ½ cups dried tart cherries
• 2 teaspoons vanilla extract
• 7 to 8 large egg whites