Ingredients 

• Brinjal 4 (if size is small take 8)
• Red chilli 8
• Mustard 1tbs spoon
• Urad dal 3 tbs
• Small pinch of asafoetida powder
• Oil 5 to 6 spoons for frying
• Salt
• A small ball of tamarind

• Cut the brinjal and boil it. 
• Smash the boiled brinjal using vegetable smasher. 
• Take a fry pan add 5 to 6 spoon of oil in it 
• Add mustard when it splutters add asafoetida powder 
• Then add urad dal and red chilli and fry it. 
• Mix smashed brinjal and all the fried ingredients with salt and tamarind 
• Using a blender grind every thing. 
• This paste is called thuvaiyal .