Heat oil in a pan and add onions. Stir and add ginger.
Sauté this mixture for 4-5 minutes or till the onions become translucent.
Add green peas & sauté for 2-3 mins, add tomatoes and let it cook for 2-3mins.
Now add coriander powder, chili powder, salt and black eye peas and mix. Let this mixture cook for at least 5 mins on medium flame, stirring in between.
Add lemon juice according to your taste and mix again.
Garnish with chopped coriander leaves and serve hot.(Optioanl)