Ingredients

For vadas:-
1. Udad dal or black gram dal (1c)
2. moong dal or green gram dal (1/4c)
3. salt (to taste)

For dahi:-
1. Dahi or yogurt (5c)
2. mustard seeds (1/4tsp)
3. chopped green chili (1tsp)
4. curry leaves (7-8)
5. asafoetida (a pinch)
6. grated ginger (1/2tsp)
7. salt (to taste)
8. sugar (1tsp)

Method of preparation:-
1. For vadas:-Take two dals, soak them for 7-8 hours or for overnight. Then grind to smooth paste. Add the salt to taste.

2. Heat the oil in a deep Kadai for frying. Put 1 spoonful of batter into the hot oil and fry it until gets golden brown. Now drop the hot vadas in cold water and leave for 3-4 minutes. Take the vadas from the water and squeeze them and keep them aside.

3. For dahi:-Take the yogurt or dahi, blend it with little water until it gets smooth. Add green chilies, ginger, salt and sugar. Make the seasoning with asafoetida, mustard seeds, curry leaves and add it to the yogurt.Then keep the yogurt in the refrigerator until it gets chilled.

4. Now take the squeezed vadas, place them in a deep dish. Pour the yogurt or dahi on the vadas to cover them properly. Spread the red chili powder, black salt and the roasted jeera powder over the dahi. Serve the dahi vadas with sweet tamarind chutney.