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Ultimate Chocolate Caramel Toffee Crunch Layer Cake

A tall slice of chocolate caramel toffee crunch cake showing three dark chocolate layers and thick caramel filling.
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This recipe delivers a decadent, multi-textured cake featuring rich chocolate layers, gooey homemade caramel filling, and a satisfying crunchy toffee topping. It is designed to be a reliable centerpiece for any celebration.

Ingredients

Scale
  • 1 3/4 cups all-purpose flour
  • 1 3/4 cups granulated sugar
  • 3/4 cup unsweetened cocoa powder
  • 1 1/2 teaspoons baking soda
  • 3/4 teaspoon baking powder
  • 3/4 teaspoon salt
  • 2 large eggs
  • 1 cup buttermilk
  • 1/2 cup vegetable oil
  • 2 teaspoons vanilla extract
  • 1 cup hot brewed coffee
  • 1 cup caramel sauce (for filling/drip)
  • 1 cup crushed toffee bits (like Heath bars)
  • 1 batch rich chocolate buttercream frosting

Instructions

  1. Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
  2. In a large bowl, whisk together the flour, sugar, cocoa powder, baking soda, baking powder, and salt for the cake layers.
  3. Add the eggs, buttermilk, oil, and vanilla extract to the dry ingredients. Beat with an electric mixer on medium speed for two minutes.
  4. Carefully stir in the hot coffee until the batter is 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.
  6. Let the cakes cool in the pans for 10 minutes before inverting them onto a wire rack to cool completely.
  7. Prepare your rich chocolate buttercream frosting.
  8. Once the cakes are cool, place one layer on your serving plate. Spread a generous layer of buttercream over the top.
  9. Drizzle half of the caramel sauce over the buttercream layer and sprinkle with half of the crushed toffee bits.
  10. Top with the second cake layer. Frost the top and sides of the entire cake with the remaining chocolate buttercream.
  11. Pour the remaining caramel sauce over the top center of the cake, allowing it to drip down the sides.
  12. Press the remaining toffee bits onto the top edge of the cake for decoration. Chill for at least 30 minutes before slicing.

Notes

  • For the best gooey caramel filling, use a thick, homemade salted caramel sauce.
  • You can substitute store-bought toffee candy bars, crushed, for the homemade toffee bits.
  • If you want a truly moist chocolate sponge, do not overbake the layers.

Nutrition

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