1. Preparation
Gather all ingredients and kitchen tools including a blender or food processor.
If using raw peanuts, dry roast them in a pan until they turn golden brown and fragrant, stirring frequently to prevent burning.
Prepare tamarind by soaking a small piece in warm water for 10 minutes, then squeezing it to extract the pulp.
2. Cooking
In a blender or food processor, add the roasted peanuts, tamarind pulp, green chilies, and salt.
Blend the mixture until it forms a smooth paste, adding water gradually to achieve the desired consistency.
In a small pan, heat oil over medium heat and add mustard seeds. Allow them to splutter.
Add curry leaves and sauté for a few seconds until they become crisp.
Pour the tempering over the blended chutney and mix well.