Grind the roasted Bengal gram and dry coconut in a mixie to a fine powder and keep it aside.
Heat oil in a pan, add mustard seeds and allow it to sputter. Next add both the grams, cumin seeds, turmeric powder, asafoetida, green chillies and fry for a second.
Then add chopped onions and sauté for some time.Later, take a large bowl filled in water.
Soak the puffed rice well in the water and remove it in both the hands and squeeze the water completely and add this puffed rice into the pan.
Repeat this procedure till all of the puffed rice is over.Sprinkle some salt and add ground powder and mix well on low flame.
Take it off from the heat to garnish with chopped cilantro and a dash of lemon!