1 medium sized Cucumber or 2 cups of chopped Cucumber
1 cup White Rice
1/4 cup grated Coconut (Optional)
Salt to taste
Soak rice in water for about 4-5 hrs. Wash soaked rice 2-3 times and keep it aside.
Peel the cucumber and chop it into small pieces.(Remove the seeds if it is ripen)
Grind soaked rice along with sliced cucumber pieces, coconut into smooth paste. Add salt and water(if required). (Consistency of the batter should be like that of medium thick milkshake.)
Heat the Tava(Iron Tava preferred). Pour a spoonful of batter at the centre, spread it with the back of the spoon to a thin round. Add 1 tsp of oil/ghee on top of dosa, cover it in a lid and cook it for a minute in medium flame. Cook other side of the dosa as well for about 1 min.
Serve hot with any chutney or sambar.The ingredients mentioned above will serve 6-8 Cucumber Dosas.