Preheat the oven to 160°C.
Melt the chocolate and butter over simmering water or in the microwave oven on Medium (50% power) for 2 to 3 minutes. Stir in the sugar, vanilla essence and eggs. Mix well
In a separate bowl, sift the Horlicks, flour and cocoa powder, then add the nuts.
Add the dry ingredients to the chocolate mixture and stir well. Pour the mixture into a lined 28cm x 18cm pan.
Bake for 25-30 minutes. Leave in the pan to cool. Melt the extra dark chocolate and drizzle over the cooled brownies to decorate.
Alternatively you can dust the brownies with icing sugar
As a dessert option, serve warm with ice cream.
Reprinted with permission of Foodmonger. To see more recipes,