In a bowl, mix sugar, egg, vanilla essence, and cinnamon powder till frothy. Mash the bananas and mix them in gently.
In a separate bowl, mix flour, salt, rice flour and baking powder. Add this to the egg mixture and stir in gently. Add in 1/2 cup of milk in bits as you gently mix the batter.
In a pan on low heat, brush oil and add small batches of the batter once the pan is hot so it cooks well.