01 -
Preheat oven to 200°C. Grease a 23 x 33 cm baking pan with nonstick spray.
02 -
Combine 350 g of crushed vanilla wafers with 170 g melted butter. Mix until evenly coated, then press firmly into the base of the prepared pan.
03 -
Bake crust in preheated oven for 5 minutes. Remove and set aside.
04 -
In a large bowl, whisk together flour, baking soda, salt, sugar, and banana pudding mix.
05 -
Add eggs, vanilla extract, and the remaining melted butter to the dry mixture. Stir gently until just combined.
06 -
Gently fold in white chocolate chips and the reserved 1 cup crushed vanilla wafers.
07 -
Spread the blondie batter evenly over the pre-baked crust in the pan.
08 -
Bake in preheated oven for 15–20 minutes, until edges are lightly golden and the center is just set.
09 -
Allow blondies to cool completely before slicing. For an indulgent finish, serve with whipped cream or vanilla ice cream if desired.