- STEP 1
Mix the caster sugar and butter in a large bowl with a wooden spoon or electric whisk.
- STEP 2
Add a small amount of egg into the mixture and blend in. Repeat adding small amounts of egg and blending until all egg is mixed in and the mixture is creamy. Then add the vanilla.
- STEP 3
Mix the flour, baking powder and cocoa in another bowl then sieve into the egg, sugar and butter mix then fold in until no powder is visible and the mix is smooth. Finally mix in the chocolate chips.
- STEP 4
Spoon the mixture in to paper cupcake cases and then bake in oven for 20 - 25 minutes at 160 degrees C.
- STEP 5
For the topping mix the butter and icing sugar. Mix the cocoa powder with the some milk to form a creamy paste then add to butter and sugar. Add more milk if required to make piping easier.
- STEP 6
When the cakes have cooled down pipe the topping mix on the top and then sprinkle with more white chocolate.