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Fudgy Strawberry Brownies with Fresh Strawberry Swirl

Close-up of fudgy strawberry brownies stacked on a white plate, showing bright pink strawberry filling inside the dark chocolate.

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Make fudgy strawberry brownies with a bright, fresh strawberry swirl. This recipe translates professional techniques into simple steps for a decadent, fruity chocolate dessert.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, melted
  • 2 cups granulated sugar
  • 4 large eggs
  • 1 teaspoon vanilla extract
  • 3/4 cup unsweetened cocoa powder
  • 1 cup all-purpose flour
  • 1/2 teaspoon salt
  • 1 cup chopped fresh strawberries
  • 1/4 cup strawberry puree (from about 1/2 cup strawberries)
  • 1/2 cup white chocolate chips (optional, for extra richness)

Instructions

  1. Preheat your oven to 350°F (175°C). Line a 9×9 inch baking pan with parchment paper, leaving an overhang on two sides for easy removal.
  2. In a large bowl, whisk the melted butter and sugar together until fully combined.
  3. Whisk in the eggs one at a time until the mixture is smooth. Stir in the vanilla extract.
  4. In a separate bowl, whisk together the cocoa powder, flour, and salt.
  5. Gradually add the dry ingredients to the wet ingredients, mixing only until just combined. Do not overmix; this keeps the brownies fudgy.
  6. Fold in the chopped fresh strawberries and the white chocolate chips, if using.
  7. Pour half of the batter into the prepared pan and spread evenly.
  8. Dollop the strawberry puree over the batter. Use a knife or skewer to gently swirl the puree into the batter to create a marbled effect.
  9. Spread the remaining batter over the top of the swirl layer.
  10. Bake for 30 to 35 minutes. The edges should look set, and a toothpick inserted near the center should come out with moist crumbs attached, not wet batter.
  11. Let the brownies cool completely in the pan on a wire rack before lifting them out using the parchment paper overhang.
  12. Cut into squares and serve.

Notes

  • For the fudgiest texture, avoid baking past the point where a toothpick shows moist crumbs. Overbaking leads to cakey results.
  • If you want a stronger strawberry flavor, you can reduce the fresh strawberries slightly and add 1/2 teaspoon of strawberry extract to the batter.
  • Chill the brownies for at least one hour after cooling before cutting for cleaner slices.

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