Expert Tips: If using frozen blueberries, let them thaw while making the batter. As it thaws a bit, it will be easier for the lemon and sugar to stick to the blueberries.If you want blueberries on top of the muffins, dot the muffins with a few extra blueberries before baking.Storing: After enjoying these delicious muffins, you can store any leftovers in an airtight sealed container at room temperature for up to 2 days.Freezing: If you want to make a larger batch and save some for later, the...