Frosted cinnamon cake

Method

• 1
  Preheat oven to 180°C/160°C fan-forced. Grease a 6cm-deep, 19cm square (base) cake pan. Line base and sides with baking paper, allowing 2cm overhang on all sides.
• 2
  Using an electric mixer, beat butter, sugar and orange rind together until light and fluffy. Add eggs, 1 at a time, beating until just combined. Stir in flours, bicarbonate of soda, cinnamon and milk. Spread mixture into prepared pan. Bake for 50 minutes or until a skewer inserted in centre of cake comes out clean. Stand in pan for 10 minutes. Turn onto a wire rack to cool.
• 3
  Make frosting: Using an electric mixer, beat butter until light and fluffy. Beat in icing sugar and vanilla until combined.
• 4
  Using a serrated knife, cut cake in half. Place base on a plate. Spread with half the frosting. Top with cake top. Spread remaining frosting over top of cake. Serve.