My mum would make one of these cakes every week so my dad could take a piece to work with him every day. In common with all fruitcakes, it tastes far better a week after making as it tends to be very dry for the first couple of days. The loaf tin is about 8x4 inches and about 2 inches deep. The amount of milk can be adjusted if the mixture seems a bit dry. Hmmm, my scribbled copy of the recipe calls for "enough fruit". This makes perfect sense to me, knowing how big a well the food mixer leaves in the centre of the dough but I'd be inclined to translate this as about 2 cups worth. I think that, once it's all mixed in, the mixture tends to look as though its about 60%dough and 40% fruit - but feel free to change this to your own taste.