Our expert is on hand to handle your culinary conundrums. This week, it's time to get specific about size With 25 years of experience as a Telegraph columnist, chef and food writer, Xanthe Clay ...

You’ll be mixing the batter for the three cake layers separately, and baking them for different lengths of time, to account for the differing cake tin sizes you’ll be using. You will need one 15cm/6in ...