For urad dal Flour:
Take 1/4cup of whole urad Dal and dry roast till they are golden brown. When it comes to room temperature, grind them into fine powder
Preheat the oven to 350 F. Line a baking tray with parchment paper and grease the parchment paper with oil
Dry roast the rice flour in low flame for 2 or 3 minutes. Do not overcook till they change color
In a wide vessel, add the rice flour and 2 tblsp of urad dal flour and salt. Sieve them for even mixing. Add asofetida and chilli powder to sieved flour and mix well
Add butter and mix well. Add water slowly and knead them into a pliable dough
Grease your hands with coconut oil and make small balls (approximately 1 teaspoon dough). Flatten the balls on greased palm (2-3 inch in diameter) and carefully place on baking tray
Bake in the preheated oven for 12 - 15 minutes. Then flip over very carefully and bake for another 12-15 minutes