Cake vs Breastmilk

Are they the same?

A lady at my breastfeeding group asked me a really intriguing question today:

" I've heard that the reason cake is so appealing is because it has similar levels of fats and sugars to breast milk, is that true? "

" No idea! ", said I, laughing, " I'll look into it for you! "

And this is what I found...