To give your cake that all-important pink tone, opt for red or purple dragon fruit so when you slice the fruits open, you'll reveal the vivid red and purple flesh within. As usual, whipping up a ...

Mix until you have a pink, yellow, orange ... Put a dab of buttercream on the cake board and place the purple sponge on top. Spread a ¾cm/½in thick layer of buttercream on the top, then place ...