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.