Sieve flour,baking powder and soda bi-carb together. Mix the cashew nut powder/almond meal in it and keep aside.
In another bowl cream the butter and sugar together. Mix in the yogurt and add the crumbled Mawa to it. Whisk it well until there is no lumps.
Fold half of the flour mixture and half of the milk into the butter mixture. Take care to fold gently and not to beat vigorously. Repeat with the remaining flour mixture and milk till the batter is of a smooth, shiny and even consistency. Add in the essence
Pour the batter into a desired tin and bake at 180' C for 30 minutes or until the toothpick comes out clean.