I like seed cake. I even make it on occasion (my standard sponge recipe (4, 4, 4 and 2 eggs) can be adapted to be chocolate, seed, apple etc.
(or reused as microwave 'steamed' sponge with marmalade etc.)
It gets mentioned in swallows and amazons too (no icba to find the quote, it's mentioned more than once. I think on one occasion they fry it.