01 -
In a medium saucepan over medium heat, combine brown sugar, all-purpose flour, and salt, stirring frequently to evenly distribute dry ingredients.
02 -
Gradually pour in whole milk while whisking constantly to avoid lumps, ensuring a smooth base texture.
03 -
Add unsalted butter to the saucepan and continue stirring gently until completely melted and well integrated.
04 -
Slowly pour a small amount of the hot butterscotch mixture into the beaten egg yolks, whisking constantly to prevent curdling.
05 -
Return the tempered yolk mixture to the saucepan and cook, stirring, for 2–3 minutes until the filling thickens to a pudding consistency.
06 -
Remove the pan from heat and stir in vanilla extract for aromatic depth.
07 -
Pour the hot butterscotch filling into the pre-baked pie crust and allow to cool slightly while preparing the meringue.
08 -
In a clean, dry bowl, beat egg whites and cream of tartar at low speed, gradually increasing until soft peaks form.
09 -
Slowly add granulated sugar to the meringue, beating until stiff, glossy peaks develop that hold their shape.
10 -
Spread the meringue decoratively over the warm filling, ensuring it adheres to the crust edges. Bake at 175°C for 12–15 minutes until the meringue is golden brown.