Muffin in a mug

I ventured out to the garden to put some bags of weeds in the car to take down to the bin but didn't stay long as the midges were out in full force.
3 o'clock is my usual time for my afternoon coffee but I was fed up eating chocolate digestive biscuits so I decided to make a cake in a mug. I had a few blueberries left so added them to the mix. This is how it came out the microwave