Mix softened butter until it reaches a mayonnaise-like consistency.

Add sugar to the butter and mix until the sugar dissolves completely.

Add eggs one at a time and mix well after each addition.

Sift cake flour and baking powder into the mixture.

Mix the dry ingredients into the wet ingredients using a wooden spatula until no flour is visible.

Add milk to the batter to make it smoother.

Crush 5 Oreos and mix them into the batter.

Line muffin tins with paper liners and fill them with the batter.

Top the batter with 3 Oreos, arranging them in various designs.

Bake at 180°C for 23–26 minutes until a toothpick inserted comes out clean.