Butterscotch Pie

Let stand 1 minute. Remove 2 sheets of plastic wrap. Fit dough, plastic wrap side up, into a 9-inch pie plate; remove remaining plastic wrap. Press the dough against bottom and sides of pie plate. Fold edges under, and flute. Freeze 10 minutes.
• Step 5
Line bottom of dough with a piece of foil; arrange pie weights or dried beans on foil. Bake at 400° for 20 minutes or until pastry edge is lightly browned. Remove pie weights and foil; bake an additional 8 minutes or until done. Cool completely on a wire rack.
• Step 6
To prepare filling, melt butter in a large, heavy saucepan over medium heat. Add brown sugar; cook 2 minutes or until mixture resembles wet sand, stirring constantly with a wooden spoon. Add 1/4 cup evaporated milk, 1 tablespoon at a time, stirring after each addition. Bring to a boil, stirring constantly; cook 30 seconds. Remove from heat.
• Step 7
Combine remaining 3/4 cup evaporated milk, cornstarch, 1/8 teaspoon salt, and egg yolks in a medium bowl, stirring with a whisk. Heat 2% milk in a small saucepan over medium heat to 180° or until tiny bubbles form around edge (do not boil), stirring frequently. Gradually add hot milk to cornstarch mixture, stirring constantly with a wire whisk.
• Step 8
Gradually add hot milk mixture to brown sugar mixture, stirring with a whisk. Place mixture in a pan; cook over medium heat 11 minutes or until thick, stirring constantly with a wooden spoon. Cook an additional 2 minutes; remove from heat. Stir in vanilla. Place pan in a large ice-filled bowl for 20 minutes or until mixture comes to room temperature, stirring occasionally.
• Step 9
Remove pan from ice. Spoon mixture into the prepared crust. Cover and refrigerate for 8 hours or overnight. Spread whipped topping evenly over filling just before serving.