"Three types of chocolate make for a rich rugelach that's not too sweet, but perfectly flaky...."
INGREDIENTS
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1 1/2 cups (3 sticks) unsalted butter, softened
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12 ounces cream cheese, softened
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3 1/2 cups all-purpose flour, divided
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1/2 teaspoon kosher salt
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1/2 cup confectioners’ sugar, plus more for garnish
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1 egg white, lightly beaten
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3 1/2 ounces dark chocolate, finely chopped
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3 1/2 ounces milk chocolate, finely chopped
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3 1/2 ounces semi-sweet, finely chopped
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3/4 cup granulated sugar
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1/2 cup walnuts, finely chopped
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1 1/2 teaspoons ground cinnamon