step 1
Preheat the oven to 190 degrees C.
step 2
In a bowl combine; flour, oats, white sugar, brown sugar, and salt.
step 3
In another bowl beat; egg, milk, oil and mashed banana.
step 4
Add the flour and banana mixtures and stir until all ingredients are combined, but do not over stir.
step 5
Either line a 12 muffin pan with muffin cases or grease with oil.
step 6
Divide the batter evenly among the 12 muffin tins.
step 7
Add 1/2 to 1 teaspoon of Nutella to the top of each muffins and using a toothpick or knife create a swirl with the Nutella. It does not have to be neat!
step 8
Bake for around 20 minutes or until a toothpick or knife comes out clean.