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Chocolate and Salted Caramel Buttercream Cake


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4.7 from 6 reviews

  • Author: Susan Knaap
  • Total Time: 120 minutes
  • Yield: Serves 12 1x
  • Diet: Omnivore

Description

Layers of moist chocolate cake, salted caramel, and fluffy meringue buttercream. A decadent dessert for any occasion.


Ingredients

Units Scale
  • 1.5 cups (355 ml) plain flour
  • 1.5 cups (355 ml) caster sugar
  • 1.5 cups (355 ml) dark cocoa
  • 2 teaspoons bicarbonate of soda
  • 1 teaspoon baking powder
  • 2 eggs
  • 0.75 cups (178 ml) buttermilk
  • 0.75 cups (178 ml) warm water
  • 0.25 cups (60 ml) vegetable oil
  • 2 teaspoons vanilla bean paste or vanilla essence
  • 2 cups (473 ml) caster sugar
  • 2 tablespoons glucose (or corn syrup)
  • 0.5 cups (118 ml) water
  • 1 cups (237 ml) double cream
  • 4 teaspoons sea salt
  • 4.9 oz (139 g) cold butter
  • 7 oz (198 g) egg whites
  • 8.8 oz (249 g) caster sugar
  • 15.8 oz (448 g) butter
  • 0.5 cups (118 ml) salted caramel
  • 1 tablespoon vanilla extract

Instructions

  1. Chocolate Cake Preparation:
  2. Preheat the oven to 360°F (180°C).
  3. Grease and line the base and sides of two 8-inch round cake pans with baking paper.
  4. In the bowl of an electric mixer, combine flour, sugar, cocoa, baking soda, and baking powder. Beat on low until just combined.
  5. Add eggs, buttermilk, warm water, oil, and vanilla. Beat on a low speed until well combined.
  6. Divide batter between pans. Bake for 45 minutes or until a skewer inserted comes out clean.
  7. Allow the cakes to cool in the pans for 20 minutes, then transfer to a wire rack to cool completely.
  8. Preparing the Salted Caramel:
  9. In a medium saucepan over high heat, combine sugar, glucose, and water. Cook for 15 minutes or until golden, avoiding stirring.
  10. Carefully add in the cream (the caramel will bubble). Whisk until smooth. If the mixture seizes, return to heat and stir until smooth.
  11. Mix in cold butter and sea salt. Divide caramel into two equal amounts and allow them to cool. If preparing ahead of time, refrigerate to thicken.
  12. Salted Caramel Swiss Meringue Buttercream:
  13. Over simmering hot water, whisk egg whites and sugar in a heatproof bowl until warm and sugar has dissolved.
  14. Transfer to a stand mixer. Whisk on high until stiff peaks form and the bowl feels cool.
  15. Switch to a paddle attachment and gradually add room temperature butter. Beat until the mixture becomes silky. If it looks curdled, keep mixing; it will come together.
  16. Mix in vanilla and 1/2 cup of the prepared salted caramel. Adjust the caramel quantity based on preference.
  17. Assembling the Cake:
  18. Level off the tops of the cooled cakes with a serrated knife and halve each cake horizontally, creating 4 layers.
  19. Place the bottom layer on a serving platter. Spread 1/3 of the second portion of salted caramel over the cake. Repeat with the next two layers. Cover with the top cake layer.
  20. Chill the layered cake for 30-60 minutes until the caramel sets.
  21. Frost the entire cake with the prepared buttercream, decorating as desired.
  22. Before serving, let the cake sit out of the fridge for about 15-30 minutes to soften.

Notes

  • To prevent the caramel from crystallizing, ensure all your utensils and the saucepan are completely clean and dry before making the salted caramel.
  • For a richer chocolate flavor, use high-quality dark cocoa powder with a high percentage of cacao.
  • Leftover cake can be stored in the refrigerator for up to 3 days, and the buttercream separately for up to a week. Re-frost before serving.
  • Prep Time: 60 minutes
  • Cook Time: 60 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 500
  • Sugar: 75
  • Sodium: 200
  • Fat: 30
  • Saturated Fat: 18
  • Unsaturated Fat: 10
  • Trans Fat: 1g
  • Carbohydrates: 60
  • Fiber: 3
  • Protein: 5
  • Cholesterol: 100