01 -
Preheat the oven to 175°C and grease standard muffin tin with baking spray or line with paper cases.
02 -
In a large mixing bowl, blend mashed bananas, egg, honey, vanilla extract, and milk. Whisk thoroughly until well incorporated.
03 -
Add rolled oats, salt, baking powder, and cinnamon to the wet mixture. Mix until evenly combined.
04 -
Carefully fold in the blueberries, taking care to avoid breaking them, especially if using frozen fruit.
05 -
Spoon the oat batter into the muffin cups, filling each about three-quarters full. Optionally, add a few extra blueberries on top.
06 -
Bake for 25–30 minutes or until a toothpick inserted in the center emerges clean. When using frozen berries, extend baking time by several minutes as needed.
07 -
Let oatmeal cups cool in the pan for 5–10 minutes, then transfer them to a wire rack to cool completely before storing.