Cut bread into cubes and take them in a blender, pulse few times so it resembles coarse breadcrumbs.
Now take this in a bowl, add salt and sugar to this and mix well. Now sprinkle little water and rub gently to moisten it.
Now take your puttu mould, i used the cup mould, place the puttu acchu in this and sprinkle some coconut and then the bread mix. Now cover it and place it over the pressure cooker to steam. Steam this for 5 to 6 mins.
Now remove it carefully and invert it to a serving plate.