Blueberry, Orange and Poppyseed Cake Recipe

I am a fan of the recipes by Jordan Rondel, a talented New Zealand baker with a shop called The Caker.  On Stuff.com recently, Jordan published a recipe for a Blackcurrant, Orange and Poppyseed Cake.  I am yet to see blackcurrants in the shops here, but I thought blueberries would make  a worthy substitute in this delicious sounding The cake comprsies two layers, dotted with poppyseeds and fruit, then sandwiched together and frosted with cream cheese frosting flavoured with marmalade.  Jordan just used straight cream cheese to cover her cakes, but I prefer cream cheese frosting. The resulting cake is pretty, moist and flavourful - an absolute winner for The recipe (with a few tweaks by me) is as 150g butter 150g brown…