Step 1

Pre-heat oven to 170°C / 338°F.

Step 2

In a mixing bowl, mash bananas with a fork. Then, add in all other wet ingredients and mix until combined. Set aside.

Step 3

Put quick oats, baking soda, salt and cinnamon in a food processor or high-power blender and blitz until combined and the texture becomes powdery like flour. Add mixture to mixing bowl and mix until combined and no lumps remain.

Step 4

Fold in chopped walnuts.

Step 5

Grease your muffin tin, and pour the batter in. Fill each cup to about 3/4 full.

Step 6

Bake for 25 minutes or until an inserted toothpick comes out clean.

Step 7

Transfer to cooling rack and let them cool down completely before storing in an air-tight container.