Boil edamame in water, and little salt for 4-5 minutes. Then, drain off the excess water. Alternatively, you can also steam it with a little salt.
Heat oil in a pan, add mustard seeds, and when it crackles, add urad dal, and dried red chilli. Saute till the dal turns golden brown.
Then add green chili, curry leaves, and asafoetida. Saute for a few seconds.
Add the steamed or boiled edamame, and salt as required and toss on high flame for a minute. Then turn off the flame.
Add fresh shredded coconut, and mix well again.
Edamame sundal is ready to be served as a healthy tea-time snack.