While I was hyping myself up over carrot cake and pumpkin bread earlier, I got to wondering why one of my other favourite things hasn't been added - lemon poppyseed loaf. It'd be a nice use for lemons, too I think.
Maybe something like:
50 water + 50 flour + 1-2 lemon + 10 poppyseeds + (10 sweetener?)
I think the fruits in general could be more useful, but this could be a good start.