Take rice flour, sesame seeds, cumin, ajwain, asafoetida, salt and melt butter in a mixing bowl. Mix well.
Add water little by little and make a soft crack free dough.
Take a murukku press with clover shape holed plate. Fill it with prepared dough. Grease 3-4 flat spatulas. Squeeze the murukku over ladle/ spatula.
Heat enough oil in kadai and once hot, lower flame. Slide in the squeezed murukku.
Cook both sides without changing the colour. When it slightly starts to become golden, drain from oil and keep aside.
Again let the oil become hot. Repeat to finish all the same manner. When you are done, again add the cooled murukku to hot oil. Re-fry in low flame again. Once turns golden, drain from oil.
Regulate the heat to maintain oil temperature. But do not let oil fume/ high temerature - the murukku change colour.
Drain over paper towels.