Most popular ones are Chips, Curry,Baji, Roast and Podi mas. Valaikai as a vegetable is very popular in the south and there are a whole bunch of recipes that can be made with it
Wait for them to pop, add udad dhal and dry chillies, coconut and curry leaves. Valaikai/Raw banana is very delicious when made into chips, roast, podimas(shredded and cooked) or moru moru(deep fried)