Blueberry muffins

I bought a tin of blueberries, but then had no idea what to do with it. So it had to be muffins in the end. These were easy to make and I used some vanilla instead of lemon juice (I had none left!).

Here is the link to the recipe: http://vegetarian.about.com/od/breakfastrecipe1/r/blumuffins.htm?p=1

PS. 400 F is 200C