Chocolate Filled Doughnut Muffins

I have yet to meet someone who claims to dislike a doughnut. For some reason though, (probably the fact they are laden with oil), I just really don't eat them much. I found a recipe similar to this in the last issue of Donna Hay, I find that magazine one of the best food publications. Their styling is absolutely amazing and the recipes are usually easy to make and well written. I had a little epiphany of sorts while making these, I'm almost embarrassed to tell. When I bake I mostly measure by weighing the ingredients. I have been doing this for years, I can easily say that aside from my 12" chef knife that my scale is the one thing I cannot live without in the kitchen. If you are familiar with using a scale, then you know that to tare is to re-set the scale to zero even when something is on it. For example, if I measure butter I'll set the mixer bowl on the scale, tare it and then add the butter to whatever weight it's supposed to be. I then usu...