INGREDIENTS
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YIELD:Serves 12
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ACTIVE TIME:15 minutes
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TOTAL TIME:4 hours
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SPECIAL EQUIPMENT:8-inch springform pan
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10 ounces chocolate cookie wafers (such as Nabisco Famous wafers)
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2 tablespoons granulated sugar
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8 tablespoons (4 ounces) unsalted butter, melted
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3 8-ounce packages cream cheese, softened
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1 cup (4 ounces) plus 2 tablespoons confectioners' sugar
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2 teaspoons vanilla extract
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1/4 cup sour cream
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7 ounces bittersweet chocolate, melted
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Cocoa powder for dusting