Pressure cook potatoes until tender (for about 2 whistles). After pressure releases naturally Drain the liquid and wash it with cold water. Peel off the skin and cut into bite-sized pieces and keep aside
Heat oil in a pan, add the items under 'to temper' and let it crackle. Add onion and saute till onions are translucent
Add turmeric powder, sambar powder, coriander powder, cumin powder and salt ; sauté till the raw smell goes off
Add the cooked potatoes and saute frill everything is binded
Cook in medium flame for 3-4 minutes; stirring once in while
Add chickpea flour and cook potatoes in low flame till it turn golden brown. Turn the potatoes over to cook evenly on all sides