Heat oil on a pan over medium flame. Add the dried red chiles and mustard seeds, when it splutters add the curry leaves and asafetida, fry for 30 seconds.
Add the chopped Romano beans, combine well, cover and cook for 4 minutes.
Open the lid, give a stir, add the chopped ginger and garlic, mix well, cover and cook for 3-4 minutes.
In the meantime, grind the sesame seeds, peanuts, coconut and black pepper to a coarse texture.
Add salt to the beans followed by the ground coconut mixture, mix and stir fry for 2-3 minutes.
Transfer to a serving bowl. Serve as a side.