- firstly, in a mixi jar take 3 boiled aloo. make sure to chop them roughly, else it will be difficult to blend. 
- add 1 cup water and blend to smooth paste. 
- transfer the aloo paste to a large bowl. 
- further add 1½ cup rice flour, ¼ cup rava and 1 tsp salt. 
- pour 5 cup water and mix using a whisk. 
- mix well making sure there are lumps and the consistency of the batter is watery. 
- further add 1 onion, 2 tbsp coriander, 2 chilli, few curry leaves and 1 tsp cumin. 
- mix well and rest for 10 minutes for rava to soak well. 
- after 10 minutes, you can see the batter is watery. you can adjust the consistency by adding water if required. 
- when the pan is super hot, pour the batter on the pan. 
- spread 1 tsp oil and allow to roast for 2 minutes or until the dosa turns crisp. 
- finally, enjoy aloo dosa recipe with chutney.