Crispy Thattais

Ingredients 

1. Rice flour - 1 cup 
2. Fried gram flour/Dalia flour (pottukadalai mavu) -2 1/2 tbsp or urad dal flour (roasted, powdered and sieved)- 1 tsp (see notes below)
3. Bengal gram dal/ kadalai paruppu - 1 1/2 tsp or fried gram -1 1/2 tsp
4. Red Chilli powder - 1/2 tsp flat
5. Unsalted butter -1 1/2 tsp
6. Hing - 1/4 tsp
7. Salt as needed
8. Oil for deep frying

Method

1. In a bowl, mix together rice flour, fried gram flour, chilli powder and butter using your finger tips.
2. Add dalia or soaked bengal gram dal, salt + hing mix, needed water and make a slightly stiff dough.
3. Now the dough for the thattai is ready. (you can taste the dough to check for salt)
4. Make equal sized balls out of it.
5. Grease a zip lock bag or plastic sheet, place a ball of dough and flatten it as thinly as possible with your finger tips. This will give you crispy thattais.
6. Prick few holes with a fork to prevent it from puffing while frying. Let it sit for 10 minutes.
7. Heat oil in a heavy bottomed kadai.  Check the oil temperature by dropping a small piece of dough into the oil, if it rises to the surface immediately, then the oil is ready for frying. 
8. Now reduce the temperature to medium, gently transfer the flattened dough on to your hands and slide it into the oil. Deep fry 3-4 thattais both sides until golden brown.
9. Remove and drain the excess oil on a paper towel.
10. Repeat the same process for the rest of the dough.
11. After it cools, store it in an air tight container.