This batter will last 1-2 days in the fridge so make it ahead and have for a perfect breakfast in bed or crowd pleasing brunch item!
Use fresh blueberries when in season but these are just as delicious with frozen blueberries, but make sure to mix them in just before baking as they tend to bleed and turn the batter purple!
Sugar in the raw is worth getting for sprinkling on top of pretty much any baked good - it adds a bit more crunch than regular sugar for a more perfect muffin top.