firstly in a large bowl take 2 cup puttu flour and ¼ tsp salt. mix well.
now add 1/4 cup water and crumble the flour.
add water in batches and mix well with your fingertips.
the flour need to hold shape when pressed between the fist, and need to break on further pressing.
make a moist flour with crumbly texture.
break all the lumps with your finger. alternatively, blend it in a mixer for 2 pulses.
now take a puttu steamer and layer with 2 tbsp of fresh grated coconut.
followed by 3 tbsp of puttu flour. again layer with 2 tbsp of coconut, 3 tbsp of 3 tbsp of puttu flour.
lastly add 2 tbsp coconut and level it up.
close the it and steam for 5 minutes or till the steam escapes from top holes of cylindrical tube).
carefully open it and push the puttu using a wooden ladle from the back.