Fold in flour and cocoa powder, then gently incorporate chopped chocolate. Spread batter in the prepared pan and bake for 25-30 minutes until the top is shiny and crispy. Let cool for 10 minutes in ...
One cup of all-purpose flour, two cups of chopped walnuts, one cup of cocoa powder, one cup of butter, four eggs, two teaspoons of vanilla extract, half a teaspoon of baking powder, and half a ...