Preheat oven to 350 degrees F
Grease a loaf pan with cooking spray/butter
For Banana bread with almond flour
In a large mixing bowl add banana and mash it well
Add all the ingredients except walnuts one by one and mix well
Add 1/2 cup of walnut and mix well
Transfer the mixture into a baking tray and sprinkle some walnut at the top
Bake for 47-53 mins
For banana bread with oats
In large bowl, combine mashed banana, melted butter oil, sugar , milk and mix well
In separate medium bowl, whisk together whole wheat flour, oats, baking powder, baking soda, salt and cinnamon and cardamom
Add wet ingredients to dry ingredients, add the chopped walnuts and mix until just combined.
Pour into prepared loaf pan. Sprinkle oats/ walnut and baked for 47-53 minutes, until toothpick inserted into center comes out clean with a few crumbs attached