Chocolate American Muffins

As I type, my birthday cake is baking in the oven! We only got home from a  few days away, this afternoon, and with my birthday being tomorrow, I thought I had better make myself a cake - photos to follow!
These muffins were made over a week ago, in fact it was another beans on toast Tuesday, and I thought the kids could do with a treat!
I'm not sure if its because they are "american" muffins, but they taste quite different to muffins that I have made in the past. These were more like a bun, in fact, Ad said that he thought they tasted quite like a dense brioche. They were still well received, and we gave them 7.5 There are two other muffin recipes in the book, so it will be interesting to see if they are similar.