To make brownies with cocoa powder, whisk ½ cup (113 g) melted butter with 1 cup (200 g) sugar, beat in 2 eggs and vanilla, then stir in ½ cup (43 g) unsweetened cocoa powder and a pinch of salt, and fold in ½ cup (60 g) flour. Bake in an 8×8-inch pan at 350°F (175°C) for 20 to 25 minutes, until a toothpick shows a few moist crumbs.
No melted chocolate is needed. Cocoa powder brings the chocolate flavor without extra cocoa butter or sugar, and three steps decide whether the result is fudgy or cakey: how hard you beat the eggs, how little you stir after the flour, and when you take the pan out.
Key facts for this brownie recipe
| What | Value | Unit | Source and date |
|---|---|---|---|
| Yield | 16 | squares from an 8×8-inch (20×20 cm) pan | Grevista recipe, September 15, 2026 |
| Oven temperature | 350 | °F (175 °C) | Grevista recipe, September 15, 2026 |
| Bake time | 20–25 | minutes | Grevista recipe, September 15, 2026 |
| Total time | 35 | minutes plus cooling | Grevista recipe, September 15, 2026 |
| Unsweetened cocoa powder per batch | ½ cup (43 g) | cup (g) | Cup weight from USDA FoodData Central FDC 169593, checked September 15, 2026 |
| Cocoa replacing 1 oz (28 g) unsweetened baking chocolate | 3 tbsp (16 g) cocoa + 1 tbsp (15 ml) fat | tbsp (g/ml) | America’s Test Kitchen, checked September 15, 2026 |
| Batches from a 17.6 oz (500 g) box of cocoa | ≈11 | batches | Grevista arithmetic from the USDA cup weight, September 15, 2026 |
The ratios above are published as a recipe, not as a tested comparison against other brownie recipes.
How do you make fudgy brownies with cocoa powder?
Makes: 16 squares (8×8-inch / 20×20 cm pan) · Prep: 10 minutes · Bake: 20–25 minutes · Total: 35 minutes plus cooling
Ingredients
- ½ cup (113 g) unsalted butter, melted and slightly cooled
- 1 cup (200 g) granulated sugar
- 2 large eggs
- 1 tsp (5 ml) vanilla extract
- ½ cup (43 g) unsweetened cocoa powder
- ¼ tsp (1.5 g) fine salt
- ½ cup (60 g) all-purpose flour
- Optional: ½ cup (85 g) chocolate chips or (60 g) chopped walnuts
Instructions
- Prepare the pan. Heat the oven to 350°F (175°C). Line an 8×8-inch (20×20 cm) pan with parchment, leaving an overhang on two sides.
- Whisk butter and sugar. Whisk the melted butter and sugar until combined. Add the eggs and vanilla and whisk vigorously for a full minute, until thick and glossy.
- Add the cocoa. Sift the cocoa powder and salt into the bowl and stir until completely smooth.
- Fold in the flour. Add the flour and fold with a spatula just until no dry streaks remain. Fold in chips or nuts, if using.
- Bake. Spread the batter evenly and bake 20–25 minutes, until the top is set and a toothpick inserted in the center comes out with a few moist crumbs, not wet batter.
- Cool, then cut. Let the brownies cool completely in the pan, lift them out by the parchment and cut into 16 squares.
How much cocoa powder do brownies need?
For an 8×8-inch pan, ½ cup (43 g) of unsweetened cocoa powder gives a rich but balanced brownie. Going up to ⅔ cup (57 g) makes them darker and more bitter; if you do, add 1 to 2 tablespoons more sugar. Measure by spooning cocoa into the cup and leveling it, rather than scooping, which packs it.
Why use cocoa powder instead of a chocolate bar?
| Cocoa powder | Melted chocolate bar | |
|---|---|---|
| What it brings | Cocoa solids with most of the fat removed, no sugar | Cocoa solids plus cocoa butter, and usually sugar |
| Texture | Dense and fudgy, with butter as the main fat | Softer, depending on the bar |
| Sweetness | You control it | Partly fixed by the bar |
| Chocolate flavor per gram | More concentrated | Diluted by fat and sugar |
If a recipe you love uses unsweetened chocolate and you only have cocoa, the swap ratios are in baking with cocoa powder.
What makes brownies fudgy instead of cakey?
- More fat, less flour. This recipe uses equal volumes of butter and flour, which leans fudgy. More flour or an extra egg makes them cakier.
- Minimal stirring after the flour. Stirring develops gluten, which gives a bready crumb. Fold until the streaks disappear, then stop.
- Taking them out early. A clean toothpick means they are overbaked. Moist crumbs mean they will finish setting as they cool.
For a shiny, crackly top, whisk the eggs with the butter and sugar for a full minute. It dissolves more of the sugar, which forms a thin, glossy crust as the brownies bake.
Should you use natural or Dutch-process cocoa for brownies?
Either works here, because this recipe is leavened by eggs, not baking soda. Natural cocoa gives a brighter, slightly fruity chocolate flavor; Dutch-process gives a darker color and a smoother, milder taste. The choice matters much more in cakes that rely on baking soda, as explained in our guide to the best cocoa powder for baking.
Can you make these brownies dairy-free?
Yes. Replace the butter with ⅓ cup plus 1 tablespoon (about 90 g) of melted coconut oil or a neutral oil; butter is roughly 80% fat, so you need a little less oil. The brownies come out slightly softer and less buttery. Check that your chocolate chips, if using, are dairy-free too.
How do you store brownies?
| Where | How long | Tip |
|---|---|---|
| Room temperature, airtight | 3–4 days | Keep uncut if you can; edges dry out first |
| Refrigerator | Up to 1 week | Fudgier and firmer when cold |
| Freezer, wrapped | Up to 3 months | Thaw at room temperature |
When is this recipe not the right choice?
- If you want tall, cake-like brownies, add an extra egg and ¼ cup (30 g) more flour, or choose a cake-style recipe.
- If you only want one or two servings, a chocolate mug cake with cocoa powder is faster.
- If you want a molten center, try a chocolate lava cake instead.
In cocoa-only brownies, the cocoa is the flavor. The cocoa Grevista distributes is natural (non-alkalized), unsweetened, single-origin Vietnamese Trinitario cocoa, and the 500 g box holds enough for about 11 batches of this recipe (our arithmetic).
Frequently asked questions
Can I use cocoa powder instead of melted chocolate in brownies?
Yes. A cocoa-powder recipe like this one is built for it. To convert a melted-chocolate recipe, use 3 tablespoons of cocoa plus 1 tablespoon of fat for each ounce of unsweetened chocolate.
How do I get a more intense chocolate flavor in cocoa brownies?
Add ¼ tsp more salt, a teaspoon of instant espresso powder, or mix the cocoa into the warm melted butter before adding the eggs. A fresh, aromatic cocoa also makes a noticeable difference.
Why are my brownies cakey?
Usually too much flour, overmixing after the flour goes in, or overbaking. Pull them when a toothpick still shows moist crumbs.
Can I double this recipe?
Yes. Use a 9×13-inch (23×33 cm) pan and start checking at 25 minutes.
Do I need to sift the cocoa powder?
It helps. Cocoa clumps easily, and lumps that survive into the batter bake into dry, bitter pockets.
What should you read or do next?
- Best cocoa powder for baking — read this next if you are deciding which cocoa to buy for this recipe, since brownies taste of the cocoa alone.
- Baking with cocoa powder — read this if your brownies came out dry or cakey and you want the measuring and mixing rules behind the fix.
- Chocolate mug cake with cocoa powder — go here if 16 squares is more than you need tonight.
- All cocoa powder recipes — browse this if you now have a box of cocoa and want drinks and holiday recipes to use it in.
Baking these often? The Grevista 500 g (17.6 oz) unsweetened, non-alkalized cocoa powder covers about 11 batches.
Sources
- U.S. Department of Agriculture. FoodData Central: Cocoa, dry powder, unsweetened (FDC ID 169593), cup weight 86 g, checked September 15, 2026.
- America’s Test Kitchen. Cocoa Powder or Unsweetened Chocolate?, checked September 15, 2026.
Written by the Grevista Editorial Team. Last updated September 15, 2026. How we check facts: Editorial Policy.