01 -
Heat up the oven to 425°F and pop liners into a 12-muffin tin.
02 -
Smash the bananas, stir the eggs into them, then mix in oats, baking powder, vanilla, and brown sugar.
03 -
Carefully mix the blueberries into the batter last.
04 -
Spoon the mix evenly into the muffin tin. Bake for about 15 minutes.