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Ultimate Decadent Chocolate Caramel Toffee Crunch Layer Cake

Cross-section of a rich chocolate caramel toffee crunch cake showing three dark layers and gooey caramel filling.
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This Chocolate Caramel Toffee Crunch Cake delivers rich chocolate flavor, gooey homemade caramel, and a satisfying crunchy toffee topping. It is a bakery style cake at home that satisfies the ultimate dessert indulgence craving.

Ingredients

Scale
  • 1 3/4 cups all-purpose flour
  • 3/4 cup unsweetened cocoa powder
  • 1 1/2 teaspoons baking soda
  • 3/4 teaspoon baking powder
  • 3/4 teaspoon salt
  • 2 cups granulated sugar
  • 1 cup buttermilk
  • 1/2 cup vegetable oil
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup hot brewed coffee
  • 1 cup prepared homemade caramel sauce (for filling and drizzle)
  • 1 cup heavy cream (for frosting)
  • 2 cups powdered sugar (for frosting)
  • 1/2 cup unsalted butter, softened (for frosting)
  • 1/2 cup semi-sweet chocolate chips (for ganache/frosting)
  • 1 cup toffee bits (for crunch topping)

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour two 8-inch round cake pans.
  2. In a large bowl, whisk together the flour, cocoa powder, baking soda, baking powder, and salt. Add the granulated sugar and mix well.
  3. In a separate bowl, whisk the buttermilk, oil, eggs, and vanilla extract. Pour the wet ingredients into the dry ingredients and mix until just combined.
  4. Carefully pour the hot coffee into the batter and mix on low speed until smooth. The batter will be thin.
  5. Divide the batter evenly between the prepared pans. Bake for 30 to 35 minutes, or until a wooden pick inserted into the center comes out clean. Let the cakes cool in the pans for 10 minutes before inverting them onto a wire rack to cool completely.
  6. Make the chocolate frosting: Heat the chocolate chips with 1/4 cup of heavy cream until smooth. Let cool slightly. In a stand mixer, beat the softened butter until creamy. Gradually add the powdered sugar, alternating with the remaining 3/4 cup of cold heavy cream and the cooled chocolate mixture. Beat until light and fluffy.
  7. Once cakes are cool, place one layer on a serving plate. Spread about 1/3 cup of the homemade caramel sauce over the layer.
  8. Place the second cake layer on top. Frost the entire cake with the chocolate frosting.
  9. Drizzle the remaining caramel sauce over the top, allowing it to drip down the sides for a caramel drip cake effect.
  10. Press the toffee bits around the top edge and sprinkle some over the top center for the crunch topping.

Notes

  • For the best gooey caramel filling, use a thick, slow-cooked homemade caramel rather than a thin store-bought syrup.
  • Chill the cake for at least 30 minutes before slicing to set the caramel and frosting layers.
  • You can substitute the chocolate frosting with a simple chocolate ganache for a richer, less sweet finish.

Nutrition

Find it online: https://kitchenslang.com/chocolate-caramel-toffee-crunch-cake/