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Fudgy Cocoa Brownies

A grid of cocoa brownies with walnuts.
Photo by Travis Rainey, Food Styling by Maggie Ruggiero, Prop Styling by Christine Keely

These cocoa brownies are everything we want in a simple, deeply chocolaty bake: fudgy in the center, lightly crackly on top, and rich enough to taste far more complex than their one-bowl method suggests.

Inspired by baking legend Alice Medrich’s classic formula, the recipe relies entirely on cocoa powder for its flavor, making it faster, more pantry-friendly, and—perhaps surprisingly—more intense than versions made solely with melted chocolate. We also bumped up the richness with more butter and added salt for balance, making a cocoa brownie that’s closer to a boxed mix in effort but with significantly higher rewards.

Of course, brownie preferences vary wildly (caky vs. fudgy, corner piece vs. middle piece, walnuts vs. blank canvas). These land firmly in the fudgy camp, and we think well-toasted walnuts provide essential contrast, but feel free to go without.

What’s the difference between cocoa brownies and chocolate brownies?

Cocoa brownies are made with cocoa powder instead of melted chocolate, which gives them a more direct, intense chocolate flavor and a denser, fudgier texture. Chocolate brownies typically rely on melted chocolate or chocolate chips, which can make them richer but slightly softer or more cake-like, depending on the recipe.

Can I use Dutch-process cocoa instead of natural cocoa?

We don’t recommend it. This cocoa brownies recipe is designed to use natural unsweetened cocoa powder, which has the acidity needed for flavor balance and structure. Dutch-process cocoa is alkalized (i.e., its natural acidity has been reduced), which darkens the powder’s color, but can mute chocolate flavor and lead to an overly dense brownie.

Why did my cocoa brownies turn out dry or caky?

The most common causes are overbaking or overmixing the batter after the flour is added. Cocoa brownies should be pulled from the oven when a tester shows a few moist crumbs. Baking too long or overworking the batter can lead to a lighter, more cake-like texture instead of a fudgy one.

How can I make these cocoa brownies extra fudgy?

For even fudgier cocoa brownies, slightly underbake them and let them cool completely before slicing. The texture continues to set as they cool, becoming chewier and more cohesive. Avoid overmixing once the flour is added, which helps maintain a rich fudgy crumb.

Do I really need to wait for the brownies to reach room temperature?

It’s hard to argue that homemade brownies should fully cool when they’re extra fudgy and gooey. Consider this: If you’re going to eat them immediately with ice cream in a sundae, waiting is less important.

For the cleanest cuts—say you plan to bring the brownies to a party or bake sale—try to wait until they cool before slicing.

Recipe information

  • Total Time

    1 hour

  • Yield

    Makes 16

Ingredients

Nonstick vegetable oil spray (for baking dish)
½ cup raw walnut halves and pieces (optional)
¾ cup (1½ sticks) unsalted butter, cut into pieces
1½ cups (300 g) sugar
1 cup (84 g) unsweetened cocoa powder (such as Scharffen Berger)
1½ tsp. Diamond Crystal or 1 tsp. Morton kosher salt
2 tsp. vanilla extract
3 large eggs
1 cup (125 g) all-purpose flour

Preparation

  1. Step 1

    Preheat oven to 325°. Lightly coat an 8x8" glass baking dish with nonstick vegetable oil spray. Line with parchment paper, leaving a generous overhang on 2 sides. Lightly coat parchment with nonstick spray. If using, spread out ½ cup raw walnut halves and pieces on a small rimmed baking sheet; toast, stirring occasionally, until golden brown, 8–10 minutes. Let cool.

    Step 2

    Meanwhile, melt ¾ cup (1½ sticks) unsalted butter, cut into pieces, in a small saucepan over medium heat. Let cool slightly.

    Step 3

    Whisk 1½ cups (300 g) sugar, 1 cup (84 g) unsweetened cocoa powder, and 1½ tsp. Diamond Crystal or 1 tsp. Morton kosher salt in a medium bowl to combine. Pour in butter in a steady stream, whisking constantly until combined. Whisk in 2 tsp. vanilla extract. Add 3 large eggs one at a time, beating vigorously to blend after each addition. Add 1 cup (125 g) all-purpose flour and mix until batter is just combined (be careful not to overmix). Mix in walnuts if using. Scrape batter into prepared pan; smooth surface.

    Step 4

    Bake brownie until a tester inserted into the center comes out with a few moist crumbs attached, 25–30 minutes. Transfer pan to a wire rack; let brownie cool completely in pan. Using parchment overhang, lift brownie out of pan and transfer to a cutting board. Cut into 16 squares.

    Do Ahead: Brownies can be baked 4 days ahead. Store tightly wrapped at room temperature.

    A corner square cocoa brownie with walnuts.
    Photo by Travis Rainey, Food styling by Maggie Ruggiero, Prop styling by Christine Keely
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