How to Make It
Preheat oven to 425°.
Roll dough into an 11-inch circle; fit into a 9-inch pie plate coated with cooking spray. Fold edges under; flute. Line bottom of dough with a piece of foil; arrange pie weights or dried beans on foil. Bake at 425° for 5 minutes. Remove pie weights and foil; bake 1 minute. Cool on a wire rack.
Reduce oven temperature to 350°.
Combine maple syrup and next 6 ingredients (through eggs) in a medium bowl, stirring with a whisk. Gently stir in cranberries and walnuts. Pour cranberry mixture into prepared crust. Bake at 350° for 45 minutes or until filling is just set, shielding edges of piecrust with foil after 30 minutes. Cool on wire rack.