Dahi Vadai or Thayir Vadai

Ingredients:

1. Ulundu Vadai
2. Ginger - 1/2 inch
3. Green chilly - 1
4. Yogurt cups - 3 
5. Butter milk or yogurt drink (Diluted yogurt) to soak the vadais briefly
6. Coconut scrapings - 2 teaspoons
7. Salt to taste
8. Pinch of sugar

Seasoning:

1. Mustard seeds
2. Coriander leaves
3. Asafoetida (perungayam powder)
4. carrot scrapings or karaboondhi for sprinkling

Procedure:

1. Refer to the Ulundu vadai procedure from my blog. 
2. After making vadai, transfer them one by one in a a pan having yogurt drink and remove it.
3. Arrange the vadais in a shallow bowl. 
4. Now grind 1 green chilly, 2 teaspoons coconut scrapings and 1/2 ginger bit coarsely.
5. Mix the ground items with 3 cups of yogurt, a bit of salt and a pinch of sugar.
6. Pour the mixture into the vadai in the shallow bowl and sprinkle coriander leaves. 
7. Season with mustard and little asaefoetida (perungayam). 
8. Add the carrot scrapings or 4 spoons of karaboondhi to the top for decoration