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These blueberry brownies bring together the deep richness of dark chocolate and cocoa with the bright, juicy character of fresh blueberries.
The result is a dessert that feels familiar yet has a fresh fruity twist in every bite.
Melted unsalted butter and dark chocolate create a rich foundation, while brown sugar adds sweetness and helps give the brownies their satisfyingly soft, fudgy character.
Vanilla extract rounds out the chocolate flavor, and a small amount of salt helps balance the sweetness.
Fresh blueberries are the standout addition. Half of the berries are folded directly into the chocolate batter, allowing pockets of fruit to remain throughout the brownies as they bake.
The remaining blueberries are incorporated into the overall recipe as the batter comes together, creating a pleasing contrast between intense chocolate and naturally fruity flavor.
Cocoa powder deepens the chocolate profile without making the brownies overly complicated, while all-purpose flour provides the structure needed for clean slices.
The preparation is straightforward, beginning with gently melting the butter and dark chocolate together before combining them with brown sugar, vanilla, eggs, salt, flour, and cocoa powder.
Once the blueberries are folded in, the batter is transferred to a parchment-lined 8-inch square pan and baked until set.
With their rich chocolate color, fruity bursts, and tender brownie texture, these are an appealing choice whenever you want a classic chocolate dessert with something a little different.

Dark Chocolate Blueberry Brownies
Ingredients
Equipment
Method
- Prepare the Pan: Preheat the oven to 350°F. Line an 8 × 8-inch baking pan with parchment paper, leaving enough paper to help lift the brownies out after baking.
- Melt the Chocolate: Add about 1 inch of water to a small saucepan and heat over medium heat until it begins to boil. Place a heatproof glass or metal bowl, or a larger saucepan, over the smaller saucepan. Add the butter and dark chocolate, then stir as they melt.
- Finish Melting: Continue stirring until the butter and chocolate have completely melted together into a smooth mixture. Remove the bowl from over the saucepan and allow the mixture to cool slightly.
- Dissolve the Sugar: While the chocolate mixture is cooling, add the brown sugar and stir until the sugar is dissolved into the mixture.
- Add the Wet Ingredients: When the mixture is warm but no longer hot, add the vanilla extract and room-temperature eggs. Beat well until everything is thoroughly combined.
- Combine the Dry Ingredients: Add the salt, all-purpose flour, and cocoa powder to the chocolate mixture. Stir until the batter is evenly combined and no streaks of flour remain.
- Fold in the Blueberries: Gently fold in half of the washed and dried blueberries, taking care to distribute them throughout the batter.
- Fill the Pan: Transfer the brownie batter to the parchment-lined baking pan and spread it into the pan.
- Bake the Brownies: Bake at 350°F for 30–35 minutes, until the brownies are baked through and set.
- Cool Before Serving: Allow the baked brownies to cool before removing them from the pan and slicing into 8 brownies.
Notes
- Use room-temperature eggs so they combine smoothly with the warm chocolate mixture.
- Let the melted butter and dark chocolate cool until warm rather than hot before adding the eggs.
- Wash the blueberries thoroughly and gently dry them before folding them into the batter.
- Fold the blueberries in carefully to help prevent them from breaking apart excessively.
- Line the 8 × 8-inch pan with parchment paper for easier removal after baking.
- The source gives a baking range of 30–35 minutes, so avoid baking beyond the stated range without checking the brownies.
- Allow the brownies to cool before slicing for cleaner portions.
Chef’s Secret
The key to these blueberry brownies is managing the temperature of the melted chocolate mixture before adding the eggs.
After the butter and dark chocolate have melted together, take the bowl away from the heat and give it time to cool until it is warm rather than hot.
This matters because the eggs are added directly to this mixture and beaten thoroughly.
Keeping the mixture at the right temperature helps the ingredients blend smoothly without compromising the intended brownie batter.
When folding in the blueberries, use a gentle motion so the berries remain distributed throughout the batter rather than becoming completely crushed.
This preserves the contrast between the rich chocolate base and juicy fruit pockets in the finished brownies.
Serving Suggestions
These brownies are delicious served on their own once cooled and sliced.
For a more indulgent dessert presentation, serve a brownie alongside a scoop of vanilla ice cream, or add a small spoonful of whipped cream.
A few fresh blueberries can be placed on the plate as a simple garnish that reinforces the fruity flavor.
For an especially rich serving, the brownies can also be enjoyed slightly warm with your preferred chocolate dessert accompaniment.
Conclusion
Blueberry brownies offer an easy way to give a classic chocolate dessert a fresh fruity character.
The combination of dark chocolate, cocoa, brown sugar, and juicy blueberries creates a rich, tender treat with plenty of contrasting flavor.
With simple preparation and a straightforward baking process, these brownies make an appealing dessert for everyday baking or sharing.
