Dry roast semolina or sooji in a pan for 2 minutes. Keep stirring continuously else it will burn.
In 2 minutes semolina or rava will be fragrant enough. Remove from pan and keep on a dry plate.
In the same pan heat oil. Add some mustard seeds and let it splutter.
At the same time add some urad dal also.
Then add chopped ginger, curry leaves, chopped onions, green chillies and saute till its translucent.
Add chopped tomatoes and cook for another 2 minutes.
In the meanwhile heat 2.5 cups water in a bowl.
Add boiling hot water to the pan.
Next add roasted semolina little at a time and keep stirring till all rava added to water in pan.
Let it simmer for sometime till all water absorbed.
Now turn off heat and cover pan with a lid.
After 2 - 3 minutes fluff it with a fork.
Garnish with some fresh coriander leaves or grated coconut and serve with chutney or ketchup.
Keep ratio of rava to water as 1 : 2 for plain rava upma. You can increase th 2.5 cup and try the consistency.Keep stirring rava while roasting.Add rava or semolina slowly and gradually.Add vegetables to make it healthy.