01 -
Preheat oven to 175°C. Line a 23 x 23 cm baking pan with aluminum foil and coat with non-stick cooking spray. Set aside.
02 -
In a large bowl, beat the softened butter with a handheld electric mixer on medium-high speed until smooth and creamy.
03 -
Add the strawberry cake mix and egg to the butter. Beat on low speed just until the mixture forms a thick, cohesive dough.
04 -
Transfer about half to two-thirds of the dough into the prepared pan and press into an even, smooth base layer using a spatula or your hands lightly coated with cooking spray.
05 -
Evenly distribute the white chocolate chips over the dough layer.
06 -
Pour approximately 227 grams (about 8 ounces) of sweetened condensed milk evenly over the surface.
07 -
Drop small pieces of the remaining dough, about 2.5 cm each, over the top of the condensed milk. Lightly press down; full coverage is not necessary.
08 -
Bake for 27 to 30 minutes, or until the edges appear set and light golden, while the centre may jiggle slightly.
09 -
Allow pan to cool on a wire rack for at least 2 to 3 hours, preferably overnight, before cutting into bars.