Peel banana and add it to blender. Make it into a smooth puree. Put that in a mixing bowl.
Heat jaggery and water till it is melted.Sieve it through a strainer. Pour that over the banana and mix well.
Add in cardamom and dry ginger powder. Mix this well too.
Add in the rice flour and mix well so a thick batter is formed. If it is too thick add in some more water. If it is too thin add some flour.
Now add in baking soda and mix well. Cover this batter and let it ferment for 3 to 4 hours.
Now heat ghee or oil in a frying pan. Drop spoonful of this batter in hot ghee and fry till golden on one side. Flip over and cook for another mins.
Drain this and Serve
Video
Notes
Use ripe banana, that makes the appam very tasty.You could adjust the sugar level by adding more jaggery.The batter should be thick. If the batter is more runny, add rice flour. If it is too thick add more water.You can fry this in oil, but ghee makes it more flavourful.