Take a pan over high heat and add oil into it.
Once oil is hot, add mustard seeds into the pan. Let mustard seeds crackle for few seconds.
Turn heat to low and add chana dal followed by urad dal into the pan.
Next goes in cumin seeds and let everything roast over low heat until golden-brown.
Tip-in curry leaves and sliced green chillies into the pan.
Gently mix everything together.
Add finely chopped onion into the pan and mix it well.
Fry onions over medium heat until it turns translucent.
Add roasted vermicelli into the pan and gently mix it together. Season with salt.
Add water into the pan and cook it over medium heat.
Once water starts boiling, cover the pan and turn to low heat.
Allow vermicelli to cook thoroughly.
Vermicelli won't take long to cook.
Once vermicelli are ready, allow water to evaporate completely.
Add green peas and gently mix together.
Finally add chopped coriander and drizzle lime juice over the top.
Test taste and if required add more salt. Combine everything together.
Simmer for another 5-7 minutes.
Shevai Upma or Vermicelli Upma is ready to serve.