01 -
Start by warming your oven to 175°C. Coat a 20x20 cm dish lightly with butter or oil.
02 -
Toss together the sugar, cocoa powder, flour, salt, and baking powder in a big bowl. Mix till they look well combined.
03 -
Throw in the vanilla, eggs, and melted butter. Stir it up with a wooden spoon or spatula until it’s smooth.
04 -
If you want, gently mix in the chopped walnuts, making sure they’re spread out evenly.
05 -
Pour the batter into your prepared dish and even it out. Bake for about 25–30 minutes. Check by sticking a toothpick in the center—it should come out mostly clean.
06 -
Let the brownies sit in the dish until totally cooled. Slice them into squares when ready to serve.