Preheat the oven for 10 minutes at 180 degrees.
Line a loaf tin with grease proof paper.
Peel and mash the bananas, Add it to the mixing bowl.
Melt the butter till it is runny.
Add the butter, milk and sugar into the mixing bowl with the banana. Whisk till smooth.
To this mix, sift in the whole wheat flour, baking powder and baking soda.
Gently fold the dry ingredients into the wet ingredients.
Don't over mix. The mixture looks lumpy its fine.
Add in the cashews save some for the top.
Pour the mix into the prepared loaf tin.
Add in a few more cashews on the top.
Bake at 180 degrees for 15 minutes. The oven temperature may changes based on your oven.
Check with a skewer. If the skewer comes out clean when inserted into the bread. it is ready to be removed.
Remove from theoven and cool on a rack.
Unmould it carefully after about 10 minutes.
Your banana bread is ready.