In a mixing bowl, combine rice flour, semolina, and all-purpose flour.
Add the sliced onions, green chilies, ginger, curry leaves, coriander leaves, chilli & turmeric powder, peanuts, sesame seeds and salt to taste
Add a pinch of Hing or Asafoetida
Pour hot oil into the mixture and mix well.
Gradually add water and knead into a semi-soft dough.
Take a small portion of the dough, flatten it into a thin disc on a sheet of parchment or wax paper or banana leaf.
Heat oil in a shallow frying pan and fry the vadas on medium heat until golden brown and crispy.
Drain excess oil and serve hot with chutney