Preheat your oven to 180 C / 350 F. Butter and flour a 7 or 8 inch round pan . Line the bottom with parchment (Optional)
In a bowl , whisk together the flour , baking powder, baking soda , cardamom powder and salt. Keep aside
In another bigger bowl, whisk together the melted butter , milk , vanilla (if using ) and jaggery until smooth
Powder the mawa well and add .
Whisk or beat until smooth
Add the dry ingredients and whisk / beat until smooth.
Pour the batter into the prepared pan and smoothen the top
Bake at 180 C / 350 F for 25 to 35 minutes until the edges of the cake are coming away from the sides , the top springs back when pressed gently and a toothpick inserted into the centre comes out clean.
Cool in pan for 5 minutes and then gently unmould. Cool completely on wire rack