Line or grease a baking dish.
Preheat the cooker with a stand inside on medium flame.
Sieve maida, coffee powder, cocoa powder, baking soda and baking powder thrice to remove any lumps.
Take sugar, fudge and butter in a big bowl and blend thoroughly add cream/malai and beat well to get fluffy mixture, now add flour, vanilla essence, crushed walnuts and milk
Mix very well, slowly, till the whole batter is uniform and fluffy and air gets inside.
Pour the batter into the prepared cake tin
Gently tap the cake pan from the sides.
Now put the pan in pre-heated cooker and cover with lid, without the whistle
Set the flame high for 10 minutes ,then on medium for another 10 minutes, then lower the flame for 20 minutes
Check with a long knife in the center, if it comes out clean , then brownie is ready, switch off the flame.
Let it cool on a wire rack for say 30 minutes.
Cut in triangles and serve brownies with big dollps of vanilla ice cream and hot chocolate sauce to your loved ones.