Hi!
I'm so determined to find this book. I had it in 2013 when I was unwell with some quite significant mental health difficulties.
It has a Mississippi mud cake. Roughly the third cake in the book is chocolate fudge and it contains ground almonds and golden syrup. There was also a coffee cake and some sort of cake which you made the batter and then a crumb for the top.
I really don't know if this is enough clues!