In a bowl, take 1 cup of rice sevai.
Boil 2 to 3 cups of water.
Add boiling water to the rice sevai.
Keep it soaked in hot water for 3 to 4 minutes.
Next, drain the water and spread the cooked sevai on the strainer. Keep aside.
Heat oil in a pan.
Add mustard seeds.
When the seeds start crackling, add , chana dal, udad dal, curry leaves, chopped green chilly,chopped ginger and cashew nuts.
Saute on low heat till the dals and cashew nuts are well roasted.
Add asafoetida and give a quick mix.
Add chopped onion and saute till it turns soft.
Next, add chopped tomato and cook on low heat till the tomato turns mushy.
In case the mixture is turning try, you can sprinkle few drops of water.
Add turmeric powder, sambhar powder and salt. Mix well.
Add cooked sevai and mix gently till the sevai is coated well with the tomato masala.
Garnish with chopped coriander.
Serve hot as it is or with coconut chutney or curds and pickle