Rinse the bambooshoot, boil, and drain until the its odourless. While, make the coconut milk.
Prepare all the ingredients.
Boil a cook pot of water, put the coconut milk in. While, grind all the ingredients except bambooshoot, green chili and the long beans.
Heat a pan, fry the ingredient paste until it's fragrant. While, put the green chili, sliced bambooshot, and cut long beans into the coconut based soup.
When the ingredient paste cooked, bring into the soup, stir well, and bring it to boil in a low heat. Let it cool, wait for about minimum 2 hours to make it taste wonderful.
PS: It will taste better when it stays overnight on the pot. The resting process will bring up the flavor.
