Place the 100g of desiccated coconut on a small ball, and add 100ml of warm water. Mix with a fork and keep aside. If you use freshly grated coconut use it as it is.
I like to use some coconut to make layers but optional. So, I soaked 50g of desiccated coconut with 50ml warm water separately.
In a large bowl, combine the rice flour and salt.
Sprinkle some water on the flour mixture, a little at a time, and start crumbling it with your fingertips until a bread crumbs condition is formed breaking any lumps that form.
Ensure you do not add too much water as it will make a sticky dense mixture.
The flour should be in sand form and damp enough so that it will steam well.
Keep sprinkling water until you reach the right consistency.
To check the right consistency, take some mixture and press it.
The mixture should clump together easily and hold the shape, but it should easily crumble when you put it back. See the image below.
When you get this consistency, stop adding water.
Add the prepared coconut (not the one kept for layering), and mix well with the flour.
Now use both your hands and start mixing it well and breaking the lumps.
your Pittu mixture is ready for steaming.