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Brownie Cheesecake Birthday Cake – Rich, Fudgy & Creamy

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A layered birthday cake with a rich, fudgy brownie base and a creamy vanilla cheesecake topping, finished with a chocolate ganache glaze. The perfect make-ahead celebration dessert.

Ingredients

Scale

For the brownie base:

  • 1/2 cup (115g) unsalted butter

  • 100g dark chocolate (60–70%), chopped

  • 3/4 cup (150g) sugar

  • 2 large eggs

  • 1 tsp vanilla extract

  • 1/3 cup (40g) all-purpose flour

  • 2 tbsp unsweetened cocoa powder

  • Pinch of salt

For the cheesecake layer:

  • 16 oz (450g) cream cheese, softened

  • 1/2 cup (100g) sugar

  • 2 large eggs

  • 1/2 cup (120g) sour cream

  • 1 tsp vanilla extract

For the ganache topping (optional):

  • 1/2 cup (120ml) heavy cream

  • 100g dark chocolate, chopped

  • 1 tbsp butter (optional)

Instructions

  • Preheat oven to 325°F (160°C). Line a 9-inch springform pan with parchment paper.

  • Melt butter and chocolate, let cool slightly. Whisk in sugar, eggs, vanilla. Stir in flour, cocoa, and salt.

  • Pour brownie batter into pan and bake 20–22 minutes. Let cool.

  • Beat cream cheese and sugar until smooth. Add eggs, one at a time. Blend in sour cream and vanilla.

  • Pour cheesecake batter over brownie. Bake in a water bath for 50–60 minutes, until center slightly jiggles.

  • Cool in the oven for 30 minutes with the door cracked. Chill for at least 4 hours.

  • Optional: Pour ganache over chilled cake. Chill again before serving.

Notes

Decorate with whipped cream, berries, or sprinkles. For clean slices, use a hot knife.