Intensely chocolatey brownies with a moist, fudgy center and a thin crackly top. Cocoa delivers all the chocolate flavor without requiring baking chocolate, while butter, sugar, and eggs build the dense texture; simple, economical, and dangerously repeatable.

Preheat the oven to 165°C. Line a small rectangular pan, roughly 20 × 20 cm or similar in capacity, with parchment paper, leaving some overhang to lift the brownie out later.
Melt the butter over low heat. Remove from the heat and immediately add the sugar, cocoa, and salt. Whisk for 1 minute while the butter is still hot, until the mixture becomes dark, glossy, and even. Let it cool for 2 minutes.
Transfer the mixture to a bowl and add the
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Add the flour and fold with a spatula only until the last dry streak disappears. Do not keep working the batter: it should stay dense and glossy, not aerated like cake batter. Spread it immediately in the pan and level the surface.
Bake for 25 to 28 minutes, until the surface is dry and crackly, the edges look set, and a toothpick inserted in the center comes out with moist crumbs attached but no liquid batter. Cool for 10 minutes before lifting it out with the parchment and cutting into 12 squares. And that's it! The center should feel dense and moist when bitten, never dry or cake-like. 🧡