Let us start preparing thayir semiya or curd vermicelli. Follow the following steps.

• Boil the vermicelli in 2 cups water.
• Drain it and spread on a colander.
• Pass cold water through it. This ensures that the vermicelli does not become sticky.
• Keep it aside and let it cool down.
• Heat a kadai and add oil. Add the cashewnuts and roast til it turns brownish.Remove and keep it aside.
• In the same kadai, add more oil if needed and add the mustard seeds and after it splutters add the other ingredients meant for tempering.
• Add the boiled vermicelli and mix everything.
• Add salt to taste and mix.
• Finally just before serving add curds and mix well.
• Garnish with roasted cashewnuts.