If your kitchen is hot you may need to place the cakes in the fridge to allow the ganache to set. For the chocolate lace collars, break 150g/5½oz of the plain chocolate into a bowl set over a pan ...

Covered in sticky icing and decorated with sweets, this chocolate cola cake is perfect for a children's birthday party. Preheat the oven to 170C/325F/Gas 3. Grease a 25cm/10in cake tin with butter ...