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Ultimate Chocolate Caramel Toffee Crunch Layer Cake

A decadent slice of chocolate caramel toffee crunch cake showing rich layers of dark cake, caramel filling, and crunchy toffee topping.
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Make this decadent chocolate caramel toffee crunch cake featuring moist layers, gooey caramel filling, and a satisfying crunchy toffee topping. This recipe delivers an indulgent dessert perfect for birthdays or special occasions.

Ingredients

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  • 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
  • 1 1/2 teaspoons baking powder
  • 1 teaspoon salt
  • 2 large eggs
  • 1 cup buttermilk
  • 1/2 cup vegetable oil
  • 2 teaspoons vanilla extract
  • 1 cup hot water or coffee
  • 1 cup (2 sticks) unsalted butter, softened
  • 3 cups powdered sugar
  • 1/2 cup heavy cream
  • 1 cup granulated sugar (for caramel)
  • 1/2 cup water (for caramel)
  • 1/2 cup heavy cream (for caramel)
  • 1 teaspoon vanilla extract (for caramel)
  • 1/2 teaspoon salt (for caramel)
  • 1 cup toffee bits (for crunch)

Instructions

  1. Prepare the Chocolate Cake Layers: Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. In a large bowl, whisk together the flour, granulated sugar, cocoa powder, baking soda, baking powder, and salt.
  2. Add the eggs, buttermilk, oil, and vanilla extract to the dry ingredients. Beat with an electric mixer on medium speed for two minutes. Carefully stir in the hot water or coffee until the batter is smooth. The batter will be thin.
  3. 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.
  4. Make the Gooey Caramel Sauce: Combine 1 cup granulated sugar and 1/2 cup water in a medium saucepan over medium heat. Stir until the sugar dissolves, then stop stirring. Cook until the mixture turns a deep amber color. Remove from heat and carefully whisk in 1/2 cup heavy cream, vanilla extract, and salt. Stir until smooth. Set aside to cool slightly; it will thicken as it cools.
  5. Make the Chocolate Frosting: In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, alternating with the 1/2 cup of heavy cream, beating until light and fluffy. Beat in 1/2 cup of the cooled caramel sauce until combined.
  6. Assemble the Cake: Place one cooled cake layer on a serving plate. Spread about one-third of the chocolate frosting over the first layer. Drizzle half of the remaining caramel sauce over the frosting. Sprinkle half of the toffee bits evenly over the caramel.
  7. Place the second cake layer on top. Frost the top and sides of the entire cake with the remaining chocolate frosting. Drizzle the remaining caramel sauce over the top of the cake. Sprinkle the remaining toffee bits over the top for the final crunch.
  8. Chill the cake for at least 30 minutes before slicing to set the layers and filling.

Notes

  • For the best gooey texture, do not overcook the caramel sauce. It should be deep amber, not dark brown.
  • To achieve the maximum crunch, press some of the toffee bits gently into the sides of the frosted cake.
  • If you want a richer chocolate flavor, use strong brewed coffee instead of hot water in the cake batter.

Nutrition

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