Buttercream icing

The cake my sister's 40th birthday required buttercream icing. This is well outside our usual fondant icing cakes. I found Mum's handwritten recipe and tweeked it for thermomix.

INGREDIENTS

• 1 pound/453 grams of white butter (we got it at Costco as USA butter whiter than Australian butter)
• 6 cups of icing sugar
• 1 drop of food colour (in our case pink)

METHOD

1. Soften butter (let it warm or few seconds in the microwave-should be the consistency of ice cream).
2. Put all butter in thermomix bowl, cream speed 4/30 seconds.
3. Add all icing sugar.
4. Mix Speed 4/15 seconds. Scrape down sides of bowl. Repeat until desired consistency achieved. The more you whip the butter the whiter it will become.
5. Add food colouring. Mix Speed 4 until desired colour achieved.
6. Remove from bowl and ice your cake