1 tsp baking powder
150g chopped chocolate
In a mixing bowl whisk the eggs, cold water, caster sugar and the flour at top speed until the mixture turn thick and fluffy. Leave aside.
Mix the creamy butter and the egg mixture together until well blended. Lastly add in the chopped walnut and chocolate. Pour into the prepared tin and top with the remaining chopped chocolate.
Bake in preheated oven for 40 to 50 minutes or until well done.
Slices of the walnut chocolate cake