01 -
Turn your oven on to 350°F. Grab an 8x8 pan, then grease it lightly or fit it with parchment paper so cleanup's a breeze.
02 -
Combine oats, baking powder, cinnamon, and salt in a large bowl. Stir everything together until it's evenly blended.
03 -
Add milk, maple syrup, eggs, oil, and vanilla to the dry mixture. Stir well until it's all one smooth batter. Don't stress if it looks thin!
04 -
Carefully mix ½ cup of the blueberries into the batter. Pour this into the baking pan you prepared earlier. Scatter the last ¼ cup of blueberries on the top.
05 -
Put the pan in the oven and let it bake for 35-40 minutes. You’ll see the center firm up by gently touching it. Let it rest a bit in the pan before slicing and serving.