Update 2019: Ten years later, this is still my favourite muffin recipe! I usually load it full of cranberries, but you can substitute other fruit – I think raspberries work really well, and blueberries would probably be great.  But I love the tart-sweetness of the cranberries, and i usually add more than this recipe calls for.  I also really like the way maple syrup sweetens the batter – it seems to blend better (in my opinion) than honey does, but either is great. 2009 Post: This is my favourite muffin recipe ever; not particularly sweet, packed full of tart cranberries, pretty much perfect.  If you’re one for the coffee-shop sugar-bomb…