After almost 8 years of mango and passion, blueberry crumble and carrot and apple - we are about to change our muffins. It may not sound like anything to some but for us, in our little geeky cake world, this is as momentous as any of the big revolutions in human history.

But please bear with us while we experiment a little longer and come up with suitable substitutes for those old giants... and it is probably evident from the picture that we are not taking this lightly.