heat non stick tawa and apply 2tbsp of dosa batter and speed not much it is like upma.
Spread tomato onion and green chili.
Apply oil and fry on both sides
When cool take round cutter and cut upma in three four pieces
now take round holder both side open.insert one pieceof round upma and apply 2tsp potao veg on it do the same process for three times. press it and seprate from the hoder . decorate with coconut chutney on top and serve...... we can use any other mix