This is a Bengali dish of green banana and potato koftas, flavoured with ginger, green chilli and subtle spices, deep-fried and then soaked in thin spicy ginger flavoured curry. Bengali Style Kanch Kolar Kofta Curry Recipe (Green Plantain Kofta Curry Recipe) is an all-time favourite Bengali dish made with soft and crispy Koftas dipped in thin and tangy based curry. The Raw banana is a rich source of vitamins, minerals, and fibre. The starch content present in the raw bananas will help in controlling blood sugar level and manage cholesterol.