01 -
Line a 23 cm square baking pan with parchment paper, pressing it securely into the corners to facilitate easy removal after baking.
02 -
In a large mixing bowl, combine brownie mix, eggs, oil, and milk. Beat with a hand mixer or whisk until the batter is glossy and completely smooth.
03 -
Pour the brownie batter into the prepared pan. Arrange orange-filled Oreo cookies evenly over the surface, gently pressing them halfway into the batter.
04 -
Transfer to a preheated oven at 175°C and bake for 25 to 30 minutes, or until the edges are set and a toothpick inserted into the center comes out with a few moist crumbs.
05 -
Remove from the oven and allow brownies to cool fully in the pan to prevent the frosting from melting when applied.
06 -
Scoop the vanilla frosting into a bowl. Scrape the orange centers from approximately 10 Oreos and add to the frosting. Mix in orange food coloring gel, beating until the color is vivid and the texture is smooth.
07 -
Spread the orange-tinted frosting evenly across the cooled brownies, ensuring full coverage to the edges. Chill in the refrigerator for 30 minutes to allow the layer to set.
08 -
Once chilled, evenly spread milk chocolate frosting on top. Finely crush the remaining Oreos and scatter generously over the finished layer.
09 -
Using a sharp knife heated under hot water and wiped dry, slice brownies into neat squares. Clean the knife between cuts for tidy edges.