Crispy onion rings

Ingredients:
1. Onion  -4 large
2.1/4 cup Refined flour(maida)
3. 1 tsp corn flour
4.1 cup butter milk
5.1 tsp black pepper powder
6.Baking soda/Baking powder-pinch
7.Salt
8.Oil for deep frying

Method:
1.Cut the onions into roundels ans separate it.
2.Combine the flour,Cornflour,buttermilk,pepper powder Baking powder,salt and make a paste.
3.Dip the onion rings in the hot oil till golden brown colour.
4.Sprinkle with chat masala and serve.