In a wide bowl combine rice flour, powdered roasted gram, butter, salt and roasted sesame seeds. With your hands give a quick stir and combine everything well.
Pour water little by little in to the bowl and mix the flours to form stiff dough.
Take the murukku press with star holed murukku mould and fill the dough up to 3/4th level.
Meanwhile heat a heavy bottom wok/pan adding enough cooking oil for deep frying the murukku. When the oil gets heated up (drop a pinch of dough in to hot oil, if it raises up to the surface immediately, then oil is ready for frying.) Press the murukku directly in to hot oil in circular manner. Butter murukku is not shaped in any form. It breaks in to pieces in oil.
Fry them both the sides till they are slightly brown. When the sizzling sound ceases remove them from oil and drain on kitchen tissue paper. Continue the process with rest of the dough.
When they cool down to room temperature store them in airtight container. Soft, yet crunchy butter murukku is ready. Enjoy them this Diwali as tea time snack.