Open the Pachhappayar (Cowpea, green) and take the seeds out and keep them in a plate. (if there is any tender pachhappayar, then cut it into small pieces as shown in the picture)
Remove the skin of the Vaazhakkaaya (Plantain) slightly and cut them into small pieces and keep those pieces in normal water to clean them
Crush the Shallots and Red Chilli together and add Curry leaves also into it.
Heat Oil in a frying pan
Add Turmeric Powder, Red Chilli Powder and crushed Shallots along with Red Chilli and Curry leaves and stir it well
When the colour of this mix turns into golden, add the Vaazhakkaaya pieces
Then add the Pachhappayar (cowpea, green) also into this mix along with required quantity of Salt and water and stir it for 2 -3 minutes
Close the frying pan with a plate and allow to cook the mix for about 20 minutes or as necessary
When the mix is cooked well, put off the stove and change the Mezhukkupuratti (Upperi) into a serving plate
Pachhappayar and Vaazhakkaya Mezhukkupuratti is ready and it can be served with Poori/Chappathi or as a side dish for lunch/dinner