Boil more water in a broad pan. Add little salt. When water starts boiling, add rice noodles and cook as per the package instructions. Test if sevai is cooked by pressing between ur fingers. If it breaks easily, it's cooked. If it squishes its overcooked.
Drain the hot water and run noodles under cold water. Smear a tsp of oil, so that noodles do not stick. Spread it and allow to cool .
Preparing Tempering :
To make Tomato Sevai, first temper mustard, urad dal. Add cashews or groundnut. Saute till golden brown.. add few cumin seeds.
Add chopped onions, curry leaves and slit green chilli. Saute till translucent. Add tomato, grated carrot and capsicum. Saute 2-3 mins. If you have peas add that too.
Add Haldi, salt and chilli powder. If you want add garam masala too.Saute 1-2 min. Cook till mushy.
Lastly, add coriander leaves. Mix. When the water has evaporated switch off. Tomato sevai masala is ready. switch off