01 -
Preheat oven to 175°C. Grease and line two 23 cm round cake pans with parchment paper.
02 -
In a medium bowl, whisk together flour, baking powder, baking soda, and salt until evenly mixed.
03 -
In a large bowl, beat softened butter and granulated sugar with an electric mixer until light and fluffy.
04 -
Add eggs one at a time, mixing well after each addition, then blend in vanilla extract.
05 -
Add the flour mixture in thirds, alternating with buttermilk, beginning and ending with flour. Mix gently until just combined.
06 -
Divide batter evenly between prepared pans. Bake 28–32 minutes or until a toothpick inserted in the centre comes out clean.
07 -
Let cakes cool in pans for 10 minutes, then turn out onto a rack to cool completely.
08 -
Beat softened butter until smooth. Gradually add sifted powdered sugar, then incorporate milk and vanilla. Beat until light and fluffy. Divide frosting into bowls and tint each portion with a different food coloring.
09 -
Place one cake layer on a serving plate. Spread with multicolored buttercream. Position second cake layer on top.
10 -
Frost the cake with an array of vivid buttercream swirls and dollops, intentionally leaving an imperfect, playful finish.
11 -
Spontaneously apply sprinkles, mini meringues, candy shapes, fondant cut-outs, colored chocolate shards, puffed rice cereal, and edible glitter, layering for maximum whimsy.
12 -
Briefly chill cake to set decorations, then serve at room temperature.