In a blender add 1/2 cup coconut, 2 tbsp roasted bengal gram/ dhaliya, 1 tsp grated ginger or 1/2 inch whole ginger, 1 green chili, 1 tbsp yogurt, 1/2 tsp salt, 1/4 cup water blend it until a smooth paste. Transfer it into a serving bowl.
In a tadka, add 1/2 tbsp oil when the oil is hot add mustard seeds, dry red chili, curry leaves, hing or asafoetida. Turn off the heat.
Pour this hot tempering on coconut chutney and serve it.
Notes
You can store it in a refrigerator for 1 week and in a freezer for a month.