Take a bowl put chocolate & butter with double boiling method.
Add maida, baking soda,baking powder,cocoa powder,powder sugar,vanilla essence & mix.
Add warm water & make pouring consistency.add walnut & mix well.
Grease the tin & put butter paper.
Pour the batter.sprinkle somt walnut.
Bake it @ 180°© for 30-35 min on convection mode
