Dessert

The Ultimate Chocolate Caramel Toffee Cake

30 minutes Cook
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When I set out to make a birthday cake that truly felt indulgent, I knew it had to go beyond ordinary chocolate. Chocolate is always a crowd-pleaser—but when layered with silky caramel and finished with crunchy toffee bits, it transforms into something unforgettable.

This Chocolate Caramel Toffee Cake is bold, rich, and unapologetically decadent. Deep chocolate cake layers are stacked with generous swirls of gooey caramel, then crowned with a smooth chocolate frosting and a shower of crushed toffee. The contrast of soft cake, molten caramel, and crisp toffee creates a texture and flavor combination that instantly feels celebratory.

The real magic happens the moment you slice into it—when the caramel slowly glistens between the layers and the toffee adds a satisfying crunch. It’s the kind of dessert that draws people in, sparks conversation, and disappears faster than you expect. Perfect for birthdays, holidays, or anytime you want to make a lasting impression, this cake proves that sometimes, more really is more.

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The Ultimate Chocolate Caramel Toffee Cake

The Ultimate Chocolate Caramel Toffee Cake

humaira
prep time
25 minutes
cooking time
30 minutes
servings
10–12 slices
total time
1 hour 30 minutes

Equipment

  • Mixing bowls

  • Electric mixer or stand mixer

  • Measuring cups

  • Measuring spoons

  • Whisk

  • Rubber spatula

  • 9-inch round cake pans

  • Parchment paper

  • Cooling rack

  • Offset spatula

  • Cake turntable (optional)

Ingredients

  • For the Chocolate Cake

  • 2 cups (250 g) all-purpose flour

  • ¾ cup (75 g) unsweetened cocoa powder

  • 2 cups (400 g) granulated sugar

  • 2 teaspoons baking powder

  • 1½ teaspoons baking soda

  • ½ teaspoon salt

  • 1 cup (240 ml) buttermilk, room temperature

  • ½ cup (120 ml) vegetable oil

  • 2 large eggs, room temperature

  • 1 teaspoon vanilla extract

  • 1 cup (240 ml) hot coffee or hot water

  • For the Caramel Filling

  • 1½ cups (360 g) thick caramel sauce (store-bought or homemade)

  • For the Chocolate Frosting

  • 1 cup (225 g) unsalted butter, softened

  • ¾ cup (75 g) unsweetened cocoa powder

  • 3½–4 cups (420–480 g) powdered sugar

  • ¼ cup (60 ml) heavy cream or milk

  • 1 teaspoon vanilla extract

  • For the Topping

  • 1 cup (120 g) crushed toffee bits (such as Heath or Skor)

Instructions

1

Bake the Chocolate Cake

Preheat oven to 350°F (175°C). Grease and line two 9-inch round cake pans. In a large bowl, whisk together flour, cocoa powder, sugar, baking powder, baking soda, and salt. Add buttermilk, oil, eggs, and vanilla extract. Mix until smooth. Slowly stir in hot coffee or water until the batter is thin and well combined. Divide batter evenly between pans. Bake for 32–36 minutes, or until a toothpick inserted comes out clean. Cool cakes in pans for 10 minutes, then transfer to a wire rack to cool completely.
2

Make the Chocolate Frosting

Beat butter until creamy. Add cocoa powder and powdered sugar gradually, mixing well. Pour in cream and vanilla; beat until smooth and spreadable.
3

Assemble the Cake

Level cake layers if needed. Spread a thick layer of caramel sauce over the first cake layer. Add a small amount of frosting over the caramel to help stabilize. Place the second cake layer on top. Frost the top and sides of the cake. Sprinkle crushed toffee bits generously over the top and sides. Chill for 20–30 minutes before slicing.
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