"These crunchy on the outside, chewy on the inside treats are unlikely to be forgotten once you taste them...."
INGREDIENTS
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2 3/4 cups (275 grams) confectioners' sugar
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Generous 1/2 cup (42 grams) unsweetened cocoa powder (natural or Dutch-processed)
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1 tablespoon cornstarch (see headnote)
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Pinch kosher salt
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3 large egg whites
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1/2 teaspoon vanilla extract
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2 cups (234 grams) finely chopped pecans or walnuts