celebration cake advice

emg

I want to buy a large plain iced cake to use as a celebration cake (someone else will be decorating it). I have looked at some of the supermarket ones online which seem ok but not many have the size details available.
So far the biggest round one I have seen is in M&S but it is quite expensive, ideally I'd like it to serve around 40 people. The fruit cake ones seem to serve more than the same-sized sponge - is this just based on the fact that you would cut larger pieces of sponge than fruit? I don't really mind which type of cake this is.

I also wondered if anywhere does square ones rather than round?

Any help or advice appreciated in order to shorten my trawl around the supermarkets tomorrow!

shelby161

Hi dont know if you or anyone you know has a costco card?My MIL bought a huge cake a few weeks ago which they will ice there for you . It was a good size and fed 16 people easily at the party and there was about 2 thirds left!!Best bit was that it cost £10 and was lovely and fresh[and square!]HTH