These are seriously my favourite muffin recipe (out of the 10 or so muffin recipes on Food.com I've made). It's so moist and yet hearty and healthy. The muffins had only the subtlest of sweetness, mostly from the blueberries. When I make them, I throw in a lot more berries than recommended, and also use a fruits of the forest frozen berries mix (gives me more sweetness). I also add walnuts. Overall, I love how good and good for you these are. Thanks!