01 -
Preheat oven to 175°C. Grease a 23×33 cm baking dish to ensure easy release of bars.
02 -
In a medium bowl, combine flour and powdered sugar. Using a pastry blender or fingertips, cut cold butter into the dry mixture until it forms coarse crumbs.
03 -
Press the crumbly crust mixture evenly into the bottom of the prepared baking dish. Bake for 10 minutes, then remove from the oven and set aside.
04 -
In a separate bowl, whisk together granulated sugar, flour, and salt. Add eggs and whisk until the mixture is smooth and fully blended.
05 -
Gently fold diced rhubarb into the custard mixture. Pour evenly over the pre-baked crust, ensuring rhubarb is distributed throughout.
06 -
Return the dish to the oven and bake for 35 to 40 minutes, or until the custard is set and the edges are lightly golden.
07 -
Allow bars to cool completely in the baking dish before slicing. Dust with powdered sugar immediately before serving, if desired.