My partner, and willing new-recipe-guinea-pig, Tom, requested Streusel-Topped Blueberry Muffins for his birthday breakfast. I have to confess that even though I learned to make muffins when I was 8 years old in a 4-H cooking club, I am not known for making the best muffins in the world. These Streusel-Topped Blueberry Muffins (from the Betty Crocker