Pink Lamingtons

270g of unsalted butter, at room temperature

375ml of milk

250ml of double cream

300g of caster sugar

4 medium free-range eggs, lightly beaten

1 tsp vanilla extract

500g of self-raising flour

1 pinch of salt

400g of icing sugar

4 tbsp of raspberry jam

pink food colouring

250g of shredded coconut