Blueberry Muffin with Streusel Topping

OMG, these blueberry streusel muffins are out of this world, if I say so myself! 😉 These muffins are so soft, moist and delicious and you will not be able to stop at one. I had reduced the sugar quite a bit, so you don’t have to feel guilty…. ha ha! So, what is streusel…