In a medium bowl, combine the dry ingredients: flour, baking soda, baking powder, and salt. Whisk together thoroughly until well incorporated.
3
In a large bowl, combine the brown sugar and melted butter, whisking together until the mixture becomes light and creamy.
4
Add the room temperature egg and vanilla extract, whisking vigorously until well combined.
5
Gently fold the dry mixture into the wet mixture using a spatula until almost combined, leaving some visible flour streaks. Avoid overmixing to maintain a light texture.
6
Fold in the white chocolate chips and walnuts gently. Reserve a small amount of white chocolate chips for topping.
7
Grease an 8x8-inch metal baking pan with butter or baking spray, and line it with parchment paper. Transfer the batter into the pan and smooth the top with an offset spatula.
8
Top the batter with the reserved white chocolate chips.
9
Bake at 350°F for 32 to 36 minutes until the edges are set and a skewer inserted in the center comes out clean. The center can remain slightly underbaked for a fudgy texture.
10
Allow the blondies to cool completely in the pan before slicing and serving.
PrimedTableBETA
