Roasted Granny Smith apples are the secret ingredient in this apple pie.

This homeyapple piemay look traditional, but it has a game-changing secret ingredient: roasted Granny Smith apples.

Divide dough in half; shape into 2 flat disks.

Granny Smith Apple Pie - Southern Living

Credit:Greg DuPree; Prop Styling: Kathleen Varner; Food Styling: Marian Cooper Cairns

Wrap each in plastic wrap; chill 2 hours or up to 2 days.

Prepare the filling:

Preheat oven to 375F.

Toss together apples, granulated sugar, and 2 tablespoons of the flour in a bowl until well coated.

granny smith apple pie with braided pie dough

Credit:GREG DUPREE; PROP STYLING: KATHLEEN VARNER; FOOD STYLING: MARIAN COOPER CAIRNS

Divide apples between 2 large parchment paper-lined rimmed baking sheets.

Transfer to a bowl.

Fold in brown sugar, cinnamon, nutmeg, salt, and remaining 2 tablespoons flour until combined.

Prepare lattice strips:

Unwrap 1 dough disk.

Roll out on a lightly floured surface into a 1/4- to 1/8-inch thickness.

Fit into a lightly greased (with cooking spray) 9-inch deep-dish pie plate.

Repeat rolling procedure with remaining disk.

Cut 6 (1 1/4-inch-wide) strips, and set aside.

Cut 3 (3/4-inch-wide) strips from remaining dough.

Arrange 1 1/4-inch-wide dough strips and the braid in a lattice design over filling.

Trim excess dough from edges; fold dough under to create a clean edge.

Chill pie 30 minutes.

Whisk together egg and 1 tablespoon water until well blended.

Cool on a wire rack 2 hours before serving.