These Brown Sugar Walnut Shortbread Bars have a buttery shortbread crust followed with a brown sugar walnut topping. They are the perfect decadent treat!
– Can easily be doubled for a crowd- Double this recipe and bake in a 9x 13-inch pan the next time you are feeding a crowd or trying to bribe someone with sugar.
In a bowl, combine flour, powdered sugar, and salt. Mix in cold butter using a pastry cutter. Shortbread dough should crumbly forming small pea sized clumps.Press crust into the bottom of the prepared pan evenly
While crust is cooling, make the filling. Whisk brown sugar, egg, and vanilla until smooth.Stir in flour, baking soda, and salt and mix until smooth.3. Stir in chopped walnuts.
Pour into the square pan and spread evenly. Bake for 25 minutes, until the surface looks dry and the filling has set and risen slightly. Cool for 15 minutes in the pan, then transfer to a cooling rack to cool completely.