Rolled oats add heartiness to the filling of this classic Thanksgiving dessert. Make the pie up to a day ahead, but store it in the refrigerator if you do.
Preheat oven to 325°.
Roll dough into an 11-inch circle. Fit into a 9-inch pie plate coated with cooking spray. Fold edges under; flute.
Combine brown sugar and remaining ingredients, stirring well with a whisk. Pour into prepared crust. Bake at 325° for 50 minutes or until center is set. Cool completely on a wire rack.
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