Prepare Dough: Mix flour, sugar, and salt. Cut in cold butter until crumbly. Add ice water gradually until dough forms. Divide, wrap, and chill for 30 minutes.
Preheat Oven: Set oven to 375°F (190°C). Place a baking sheet in the oven to preheat.
Prepare Filling: Combine pecans, brown sugar, corn syrup, eggs, ancho chile powder, melted butter, vanilla extract, and a pinch of salt in a bowl.
Roll Out Dough: Roll out one dough disk on a floured surface to fit pie dish. Transfer and press into the bottom of the dish. Flute edges as desired.
Assemble Pie: Pour pecan mixture into the prepared crust. Smooth the top with a spatula.
Bake and Cool: Place the pie on the preheated baking sheet. Bake for 45-50 minutes until set. Let cool completely on a wire rack.
Serve: Slice and serve your Ancho Chile-Spiced Pecan Pie. Enjoy the sweet and spicy flavors! Optional: Serve with whipped cream or vanilla ice cream for extra indulgence.