- In a blender blend 1 cup soaked urad dal to smooth paste adding water as required. transfer the smooth and fluffy batter of urad dal into a large bowl. in the blender blend 3 cup dosa rice, ½ tsp methi to slightly coarse paste adding water as required. transfer the rice batter to the bowl of urad dal batter. now take 2 cups washed & squeezed puffed rice in a blender. and blend to smooth paste. mix well making sure everything is combined well. now cover and rest in warm place for 8-10 hours. add 1½ tsp salt to the batter and mix well. also, heat the griddle and pour a ladleful of batter. spread out in a circular motion slightly thick than regular masala dosa. also spread a tsp of oil from sides of dosa. now add 1 tbsp of butter spreading all the sides of dosa. roast the dosa to a golden brown on both sides. finally, fold the benne butter dosa into half and serve.