Birthday cake numbers - smartie one

For a memorable first birthday party, serve up this top notch, Smartie-covered birthday favourite from The Australian Women's Weekly's famous 'Children's Birthday Cake Book' cookbook.

  • 30 mins cooking
  • Makes 1
  • Print


Smartie one
  • 1 x 340g packet butter cake mix
Butter cream
  • 125 gram butter
  • 1 1/2 cup (240g) icing sugar
  • 2 tablespoon milk
  • yellow food colouring
  • 4 x 100g packets smarties (see note below)


Smartie one
  • 1
    Preheat oven to 180°C/350°F. Grease and line two 8cm x 25cm (3¼-inch x 10-inch) bar cake pans.
  • 2
    Make cake according to directions on packet; divide mixture evenly between pans. Bake about 25 minutes. Stand cakes in pans 5 minutes; turn onto a wire rack to cool. Using a serrated knife, level cake tops to the same height.
  • 3
    To make butter cream, beat butter until white as possible, gradually beat in half the sifted icing sugar then milk, then remaining icing sugar. Beat until smooth.
  • 4
    Cut one cake into three pieces. Assemble cake pieces on a 23cm x 51cm (9¼-inch x 20½-inch) rectangular cake board, cut-side down, to form number 1; discard remaining cake. Secure cake pieces to board with a little butter cream.
  • 5
    Tint butter cream yellow; spread all over cake. Using the picture as a guide, cover top and sides with Smarties.


This recipe first featured in The Children's Birthday Cake Book published in 1980. Smarties are now deemed to pose a choking risk to small children and instead, you can use sprinkles to decorate this cake.

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