Grind almonds, cashews, cardamom, and sugar to a coarse powder. If you are using vanilla essence then skip cardamom.
Mash the bananas well in a bowl. With this add Wheat flour and the powdered nuts.
Add the required amount of water to this mixture and mix it well and rest it for 10 minutes. You can very well replace water with milk if making it for 1+ years Babies.
Then, heat ghee or butter on a non-stick or dosa tawa and pour the batter, and spread them as small dosa's.
Flip and cook both sides well and serve it.