Preheat the oven to 400˚F.
In a small blender, add in the oats, baking powder, banana, chia seeds and milk. Pulse until smooth.
Pour the batter into a ramekin. Top with the blueberries.
Bake in the preheated oven for 20 minutes.
Meanwhile, in a small bowl, mix together the glaze ingredients until smooth.
Once the oats are done, pour the glaze over top. Allow to cool slightly and enjoy!