Step 1

Preheat oven to 175 degrees celsius (fan-forced). Grease and line a round 20cm cake tin with baking paper and set aside.

Step 2

Place the butter and sugar into the Thermomix bowl and and mix for 15 seconds, Speed 5.

Step 3

Add the eggs, salt, vanilla extract and self-raising flour and mix for 15 seconds, Speed Scrape down the sides of the bowl, and mix for a further 10 seconds, Speed 5.

Step 4

Pour the mixture into the prepared tin and bake for 25-30 minutes or until cooked when tested with a skewer.

Step 5

Allow to cool in the tin for 15 minutes then move to a wire rack to cool completely.

Step 6

To make the buttercream, place the icing sugar into the Thermomix bowl and mix for 10 seconds, Speed 9 to sift.

Step 7

Add the butter, milk, vanilla extract and food colouring to the bowl. Mix for 30 seconds, Speed 4.

Step 8

Spread the buttercream frosting over the cooled cake and serve.