01 -
Set the oven to 175°C (350°F) to ensure even baking.
02 -
Line a muffin tin with parchment paper liners or lightly grease to prevent sticking.
03 -
In a bowl, whisk together flour, rolled oats, baking soda, baking powder, cinnamon, and salt until evenly blended.
04 -
In a separate bowl, mash the ripe banana until mostly smooth, allowing some small lumps to remain for texture.
05 -
Add Greek yogurt, honey or maple syrup, egg, and vanilla extract to the mashed banana and mix until homogenous.
06 -
Pour the wet mixture into the dry ingredients and gently fold with a spatula until just combined; avoid overmixing.
07 -
Spoon batter into muffin cups to about 75% full to allow for rising without overflow.
08 -
Bake in preheated oven for 18 to 20 minutes, or until tops are golden and a toothpick inserted in the center comes out clean.
09 -
Allow muffins to cool in the tin for 5 minutes before transferring to a wire rack to cool completely.