To prepare this tomato upma recipe, first fry the Channa dal, onions, green chillies and curry leaves. Later add tomato pieces, cook for 2 minutes. Later add double quantity of water to the sooji rava. Once water reached to boiling point, turn off the flame and pour rava slowly and mix well without any lumps. ( If you don't turn off the flame, while mixing rava you may get lumps). Finally decorate with roasted cashew nuts. This super easy upma recipe goes well with chutney or sambar. Or you can have it without out any sides.