|Semisweet chocolate||60 Gram|
|Granulated sugar||250 Milliliter|
|All purpose flour||180 Milliliter|
|Baking powder||5 Milliliter|
|Walnut pieces||250 Milliliter|
|Double chocolate frosting||1 Cup (16 tbs) (1 Quantity)|
In a double boiler melt the chocolate and the butter, remove from the heat and beat in the sugar and eggs.
Sift the flour with the baking powder, fold into mixture.
Add the vanilla and walnuts.
Pour batter into a 8" (20 cm) square buttered square pan.
Bake in a preheated 350°F (180°C) oven for 12-15 minutes.
Frost and cut into squares.