In a mixer, add grated coconut, roasted gram, salt, tamarind. ginger, green chillies and roasted mint leaves. Grind everything together to a bit coarse paste. Add water as needed and transfer to a bowl.
Next for seasoning, heat a pan with oil, mustard seeds, split blackgram lentils, asafoetida and curry leaves. As the mustard sizzle, pour it over the chutney.
Yummy mint coconut chutney is ready to serve.