Mixed Berry Muffins

Are these really muffins? Some purists say not, as a muffin usually has less sugar and uses vegetable oil instead of butter. These muffins also have a very low flour to butter ratio, resulting in what some customers have described as a pudding-like texture. Muffin or not, they are a very popular breakfast treat for those with a sweet tooth. The possible combinations of fruits for the muffins are endless, just use a