1 onion and 4 green chillies (vary the green chilly as per taste)
tamarind small ball
1 tablespoon peanuts
¼ teaspoon cumin
½ teaspoon salt, or to taste
Soak tamarind in quarter cup of warm water for about ten minutes to soften, so that it can blend well. Meanwhile wash and pluck the pudina leaves and also tender stems. Peel and slice onion to big chunks. Cut chillies to two pieces and remove stems.
Heat oil ,aAdd cumin for few seconds. Add the onion and chillies. Saute to pale brown. Keep separate.
Put peanuts in food processor and dry grind. Then add the roasted ingredients, pudina, salt and the tamarind along with the water it soaked in. Blend until it is smooth. Enjoy with raagi idli :)