First, remove the head and tail end of the beans and chop them to make fine pieces
Now, boil the beans, moong dhal, turmeric, salt and red chili powder in water
Cook them until the moong dal and beans turn soft
Thereafter, drain the water and keep the mixture aside
In a frying pan, heat the oil and add mustard, urad dal, curry leaves and onion
Sauté the mixture until the onions turns golden yellow
Now, add the beans and moong dal mixture and fry for about 2 minutes, until the moisture is absorbed
Add grated coconut and stir well for a minute
The yummy beans poriyal is ready to be served