very quick n easy

Potatoes 7-8m or half kg(boiled, peeled & mashed)
onion 2m slices
cumin seeds 1 t.sp
salt 1t.sp
red chilli powder 1t.sp
tomatoes 2m chopped
green chillies 2-3 m chopped
coriander hand full chopped

saute onion in oil light brown then add cumin seeds
now add mashed potatoes, tomatoes,salt & red chillies
& fry till tomatoes get mashed.
fry with green chillies & coriender.
serve hot with roti