Getting the right height for the perfect wedding cake
I'm making a 3 tier wedding cake using Delia's rich fruit cake. The tins I'm using are round and the following dimensions: 15cm x 7cm, 23cm x 8cm and 30.5cm x 9cm. I'd like each tier to be the full size of each tin but I'm really struggling to get accurate scaling (I've tried at least 5 times) but keep ending up with different results each time as I'm not sure how deep the original recipe starts out at!
Please can you help!