1. Weigh all the ingredients.
2. Cut the walnuts into pieces.
3. Mix butter and dark chocolate and melt in water.
4. Put an egg in the melted chocolate liquid.
5. Add granulated sugar.
6. Use a hand-held electric whisk to stir at high speed for 2 minutes.
7. Then add the low powder and stir at high speed for 1 minute. Mix well.
8. Add the walnuts and mix well.
9. Pour into the mold. (Put greased paper in the mold) Decorate a few walnuts on the surface.
10. Preheat the oven at 180°, fire up and down, middle level, and bake for 20 minutes.
11. The baked brownie cake is very crispy on the surface and moist and soft on the inside.
12. Let cool, cut into pieces of your liking, and enjoy.
Tips:Brownie cake is a bit sweet, you can also reduce the amount of sugar according to your taste. But don't cut too much, but keep the brownie characteristics. Just eat less.
