- firstly 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 or till the batter ferments and doubles. 
- 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 dose / butter dosa into half and serve with chutney and aloo bhaji topped with more butter.