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Best Raspberry Swirl Brownies

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These raspberry swirl brownies blend rich, fudgy chocolate with a tart raspberry swirl for a vibrant and flavorful dessert. Perfect for any occasion, they’re easy to make and look stunning with their marbled top.

Ingredients

  • 1/2 cup (1 stick) unsalted butter
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 tsp vanilla extract
  • 1/2 cup all-purpose flour
  • 1/3 cup unsweetened cocoa powder
  • 1/4 tsp salt
  • 1/2 cup semi-sweet chocolate chips or melted semi-sweet chocolate
  • 1 cup fresh or frozen raspberries
  • 2 tbsp sugar (for raspberry swirl)

Instructions

  1. Preheat the oven to 350°F (175°C) and line an 8×8-inch square baking pan with parchment paper.
  2. In a small saucepan, simmer the raspberries with 2 tablespoons of sugar over medium heat until the raspberries break down and the mixture thickens into a sauce. Set aside to cool slightly.
  3. In a large bowl, melt the butter. Stir in the granulated sugar, eggs, and vanilla extract until smooth and well combined.
  4. Mix in the cocoa powder, flour, salt, and melted chocolate until just combined. Do not overmix.
  5. Pour the brownie batter into the prepared pan and smooth the top with a spatula.
  6. Drop spoonfuls of the raspberry sauce over the top of the batter. Use a toothpick or knife to gently swirl the sauce into the batter.
  7. Bake for 30–35 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
  8. Let the brownies cool completely in the pan before slicing for clean swirls.

Notes

  • Use a toothpick or knife to create elegant swirls without overmixing.
  • Brownies continue to cook as they cool, so remove them slightly underbaked for fudgy texture.
  • Can substitute raspberry jam reduction for a stronger fruit flavor.
  • Store in an airtight container at room temperature for 3 days, or refrigerate up to 1 week.
  • Wrap and freeze individual brownies for up to 2 months.

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