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Chocolate Fudge Brownie Cake Recipe

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3.8 from 7 reviews

This Brownie Cake recipe perfectly marries the dense, fudgy texture of brownies with the shape and structure of a classic cake. Featuring rich dark chocolate and cocoa powder, it offers deep chocolate flavor balanced by granulated and brown sugars. The cake bakes to a lightly crisp top with a moist, fudgy center, all made in a single pan for easy preparation and serving.

Ingredients

For the Batter:

  • 200g (1 cup) unsalted butter
  • 200g (7 oz) dark chocolate (70%), chopped
  • 3 large eggs
  • 200g (1 cup) granulated sugar
  • 100g (1/2 cup) brown sugar
  • 1 tsp vanilla extract
  • 100g (3/4 cup) all-purpose flour
  • 30g (1/4 cup) cocoa powder
  • 1/2 tsp salt

Instructions

  1. Melt the Chocolate and Butter: Chop the dark chocolate and place it in a heatproof bowl along with the butter. Set the bowl over a pot of barely simmering water, stirring frequently until the mixture is smooth and glossy. Remove the bowl from heat and let it cool for 5 minutes.
  2. Whisk the Eggs and Sugars: In a large mixing bowl, whisk together the eggs, granulated sugar, and brown sugar for 2 to 3 minutes until the mixture becomes pale and slightly thickened. Add the vanilla extract and whisk again until incorporated.
  3. Combine Wet and Dry Ingredients: Pour the slightly cooled chocolate-butter mixture into the egg mixture and stir until fully combined. Sift in the flour, cocoa powder, and salt. Fold gently until just combined, being careful not to overmix.
  4. Bake the Cake: Preheat the oven to 175°C (350°F). Line an 8-inch round or square pan with parchment paper or grease it lightly. Pour the batter into the prepared pan and smooth the surface. Bake for 30 to 35 minutes, or until the center is set but still fudgy. A toothpick inserted should come out with moist crumbs, not wet batter.
  5. Cool and Serve: Let the brownie cake cool in the pan for 10 to 15 minutes before slicing. Serve slightly warm if a soft center is desired.

Notes

  • Use good quality dark chocolate (at least 70% cocoa) for a rich chocolate flavor.
  • Do not overmix the batter after adding dry ingredients to maintain a fudgy texture.
  • Check the cake a few minutes before the suggested bake time to avoid overbaking.
  • For gluten-free, vegan, or other dietary versions, modifications to flour and eggs are required.
  • Letting the cake cool slightly improves slicing and serving ease.