Keep all the ingredients ready. Peel and slice bananas.
Mash the bananas well with a fork and keep it ready. Heat ghee in a pan (preferably non stick), add cashews. Saute it until it turns golden brown.
Then add grated coconut along with cardamom powder to it and fry it for 2 minutes. Now add the mashed banana and cook it well in low medium flame for 5-7 minutes until it changes it color.
Add in sugar now, stir it well. It starts melting and Mix everything together for two to three minutes or until it becomes thick. Switch off the flame once done. The filling for banana sandwich is ready now.
Take two bread slices,apply butter on one side. Spread the prepared banana filling and Close with another bread slice and apply butter on it.
Heat a pan, Cook it until brown on one side for 3 to 5 minutes and flip it when it tuns golden brown. Cook for 2 more minutes and remove from pan. Repeat the same process for remaining bread slices.