INGREDIENTS
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2/3 cup pecans
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1/2 cup heavy cream, plus more if necessary
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1 large egg
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1 teaspoon vanilla extract
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2 cups cake flour, spooned into measuring cup and leveled-off
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1/2 teaspoon salt
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1 tablespoon baking powder
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3 tablespoons packed dark brown sugar
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5 tablespoons cold unsalted butter, cut into 1/2-inch pieces
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2/3 cup butterscotch chips, best quality such as Guittard
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Demerara sugar (also called raw sugar or turbinado), for sprinkling