Preheat the oven to 350 degrees Fahrenheit, and set a rack to the middle position. Line a large baking sheet with parchment paper. In a medium mixing bowl, whisk together the cocoa powder, sugar, and salt, taking care that there are no lumps. Combine the
INGREDIENTS
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2 3/4 cups walnut halves
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3 cups confectioners’ sugar
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1/2 cup plus 3 tablespoons unsweetened Dutch-process cocoa powder