INGREDIENTS
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Unflavored nonstick cooking spray
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2 cups all-purpose flour
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1 tablespoon baking powder
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1/4 teaspoon baking soda
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1/2 teaspoon kosher salt
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2 1/2 teaspoons pumpkin pie spice
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2 large eggs
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3/4 cup dark brown sugar
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1/4 cup granulated sugar
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3/4 cup nonfat milk
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1 teaspoon vanilla extract
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1/2 cup vegetable oil
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1 cup canned pumpkin puree
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1 cup pecan halves, for decorating
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8 ounces cream cheese, at room temperature
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1 stick unsalted butter, at room temperature
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1 pound confectioners' sugar
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1 1/2 pounds finely chopped white chocolate (or two 11-ounce bags white chocolate chips)
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1/4 cup vegetable shortening