1, the flour, cocoa powder, baking powder sifted twice spare. 60g of softened unsalted butter, eggs beaten egg mixture evenly. Walnuts into the bowl, and placed in the microwave 30 seconds cut fine alternate transit.

2, the softened butter and beat with a hand mixer until fluffy and a little pale. Add a small amount of salt, 1/2 the amount of white sugar, beat with a whisk until completely fused. Add the remaining 1/2 of the amount of white sugar, beat with a whisk until completely fused. Add 1/2 the amount of the egg mixture, beat with a whisk until completely fused. Add the remaining 1/2 amount of the egg mixture, beat with a whisk until completely fused.