Caramel Toffee Crunch Cake is a delicious and impressive dessert perfect for any occasion, offering a delightful combination of sweet caramel and crunchy toffee in a moist, tender cake, making it an excellent choice for both experienced bakers and beginners. This recipe will guide you through creating a show-stopping treat that’s surprisingly simple to make, guaranteed to become a new favorite.
Key Ingredients for Caramel Toffee Crunch Cake
- For the Cake:
- 2 ¼ cups all-purpose flour
- 1 ½ teaspoons baking powder
- ½ teaspoon baking soda
- ½ teaspoon salt
- 1 cup unsalted butter, softened
- 1 ¾ cups granulated sugar
- 2 large eggs, at room temperature
- 1 teaspoon vanilla extract
- 1 cup buttermilk, at room temperature
- ½ cup prepared caramel sauce (store-bought or homemade)
- ¼ cup chopped toffee bits (like Heath bar pieces)
- For the Caramel Toffee Frosting:
- 1 cup unsalted butter, softened
- 3 cups powdered sugar, sifted
- ¼ cup prepared caramel sauce
- 1 teaspoon vanilla extract
- ¼ teaspoon salt
- ½ cup chopped toffee bits (for decoration)
How to Make Caramel Toffee Crunch Cake
This Caramel Toffee Crunch Cake is a delightful journey of flavors and textures, promising a rich, moist crumb swirled with sweet caramel and studded with crunchy toffee. It’s incredibly satisfying to bake and even more so to devour, making it perfect for birthdays, holidays, or just a cozy weekend treat. With a preparation time of about 30 minutes and baking time of 30-35 minutes, you’ll be enjoying this masterpiece before you know it.
Step-by-Step Instructions
- Preheat and Prep: Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. You can also line the bottoms with parchment paper for extra assurance against sticking.
- Dry Ingredients Assembly: In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt. Set this aside.
- Cream Butter and Sugar: In a large mixing bowl, beat the softened unsalted butter and granulated sugar with an electric mixer on medium-high speed until light and fluffy, about 3-5 minutes. This process incorporates air, which is crucial for a tender cake.
- Add Eggs and Vanilla: Beat in the eggs one at a time, mixing well after each addition. Then, stir in the vanilla extract until well combined.
- Alternating Wet and Dry: Add about one-third of the dry ingredients to the butter mixture and mix on low speed until just combined. Then, add half of the buttermilk and mix again. Repeat this process, alternating between the dry ingredients and the buttermilk, ending with the dry ingredients. Be careful not to overmix; stop as soon as everything is incorporated.
- Incorporate Caramel and Toffee: Gently fold in the ½ cup of prepared caramel sauce and ¼ cup of chopped toffee bits until just distributed throughout the batter. Don’t worry if the caramel sauce creates swirls; this will add to the beautiful marble effect in the cake.
- Divide and Bake: Divide the batter evenly between the two prepared cake pans. Smooth the tops with a spatula. Bake for 30-35 minutes, or until a wooden skewer or toothpick inserted into the center of the cakes comes out clean.
- Cool the Cakes: Let the cakes cool in the pans for 10-15 minutes before inverting them onto a wire rack to cool completely. Ensure the cakes are entirely cool before frosting.
- Prepare the Frosting: While the cakes are cooling, make the frosting. In a large bowl, beat the softened unsalted butter until creamy. Gradually add the sifted powdered sugar, about a cup at a time, beating well after each addition.
- Add Flavor to Frosting: Stir in the ¼ cup of prepared caramel sauce, vanilla extract, and salt until the frosting is smooth and well combined. If the frosting is too thick, you can add a teaspoon or two of milk or more caramel sauce. If it’s too thin, add a little more powdered sugar.
- Assemble and Frost: Place one cooled cake layer on your serving platter. Spread a generous amount of the caramel toffee frosting over the top. Carefully place the second cake layer on top. Frost the entire cake, including the sides, with the remaining frosting.
- Decorate: Sprinkle the remaining ½ cup of chopped toffee bits over the top and sides of the cake for that irresistible crunch and visual appeal.
Why You’ll Love This Caramel Toffee Crunch Cake
This Caramel Toffee Crunch Cake is an absolute showstopper, boasting a wonderfully moist and tender crumb infused with decadent caramel swirls and studded with delightfully crunchy toffee pieces, reminiscent of your favorite candy bars but in a glorious cake form. Making this at home is not only incredibly rewarding but also a fantastic way to save money compared to purchasing a specialty cake from a bakery, allowing you to enjoy gourmet flavors for a fraction of the cost.
The rich caramel frosting, complemented by the irresistible toffee crunch, elevates this simple cake into something truly extraordinary, making every bite a celebration. Forget those mass-produced grocery store cakes; this homemade version offers unparalleled flavor and a personal touch that truly can’t be matched.
Whether you’re a seasoned baker looking for a new signature dessert or a beginner eager to impress, this Caramel Toffee Crunch Cake recipe is designed for success, delivering a delightful balance of sweetness and crunch that will have everyone begging for seconds. It’s the perfect centerpiece for any gathering, offering a comforting yet sophisticated taste experience that appeals to all ages. So, preheat your oven, gather your ingredients, and get ready to create a dessert that’s as fun to make as it is delicious to eat – you won’t regret it!
Storing and Reheating Tips
- Refrigeration: Store any leftover Caramel Toffee Crunch Cake in an airtight container in the refrigerator for up to 3-4 days. The frosting and cake will firm up slightly when chilled, so it’s advisable to let it sit at room temperature for about 15-20 minutes before serving for the best texture and flavor.
- Freezing Cake Layers (Unfrosted): If you want to prepare the cake layers in advance, allow them to cool completely, then wrap them tightly in plastic wrap, followed by a layer of aluminum foil. Frozen cake layers can be kept for up to 2-3 months. Thaw them overnight at room temperature before frosting.
- Freezing Frosted Cake: It is possible to freeze a frosted cake, but it is best to do so before adding any delicate decorations like fresh fruit. Wrap the entire frosted cake securely in plastic wrap, then in aluminum foil. Freeze for up to 1-2 months. Thaw in the refrigerator overnight, then bring to room temperature before serving.
- Reheating Slices: Individual slices can be gently reheated in a microwave on a defrost setting for a few seconds at a time, or in a low-temperature oven (around 250°F/120°C) for about 5-10 minutes, to soften the frosting and moisten the cake. Be cautious not to overheat, as this can dry out the cake.
Final Thoughts
This Caramel Toffee Crunch Cake is more than just a dessert; it’s an experience of delightful textures and sweet, satisfying flavors that’s surprisingly achievable in your own kitchen. Embrace the joy of baking and treat yourself and your loved ones to this magnificent creation that’s sure to become a cherished recipe for years to come.
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- Best German Chocolate Cake
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- Our Pinterest

Caramel Toffee Crunch Cake
Ingredients
Equipment
Method
- Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans. You can also line the bottoms with parchment paper for extra assurance against sticking.
- In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt. Set this aside.2.25 cups all-purpose flour, 1.5 teaspoons baking powder, 0.5 teaspoon baking soda, 0.5 teaspoon salt
- In a large mixing bowl, beat the softened unsalted butter and granulated sugar with an electric mixer on medium-high speed until light and fluffy, about 3-5 minutes. This process incorporates air, which is crucial for a tender cake.1 cup unsalted butter, 1.75 cups granulated sugar
- Beat in the eggs one at a time, mixing well after each addition. Then, stir in the vanilla extract until well combined.2 large eggs, 1 teaspoon vanilla extract
- Add about one-third of the dry ingredients to the butter mixture and mix on low speed until just combined. Then, add half of the buttermilk and mix again. Repeat this process, alternating between the dry ingredients and the buttermilk, ending with the dry ingredients. Be careful not to overmix; stop as soon as everything is incorporated.
- Gently fold in the ½ cup of prepared caramel sauce and ¼ cup of chopped toffee bits until just distributed throughout the batter. Don’t worry if the caramel sauce creates swirls; this will add to the beautiful marble effect in the cake.0.5 cup prepared caramel sauce, 0.25 cup chopped toffee bits
- Divide the batter evenly between the two prepared cake pans. Smooth the tops with a spatula. Bake for 30-35 minutes, or until a wooden skewer or toothpick inserted into the center of the cakes comes out clean.
- Let the cakes cool in the pans for 10-15 minutes before inverting them onto a wire rack to cool completely. Ensure the cakes are entirely cool before frosting.
- While the cakes are cooling, make the frosting. In a large bowl, beat the softened unsalted butter until creamy. Gradually add the sifted powdered sugar, about a cup at a time, beating well after each addition.1 cup unsalted butter, 3 cups powdered sugar
- Stir in the ¼ cup of prepared caramel sauce, vanilla extract, and salt until the frosting is smooth and well combined. If the frosting is too thick, you can add a teaspoon or two of milk or more caramel sauce. If it’s too thin, add a little more powdered sugar.0.25 cup prepared caramel sauce, 1 teaspoon vanilla extract, 0.25 teaspoon salt
- Place one cooled cake layer on your serving platter. Spread a generous amount of the caramel toffee frosting over the top. Carefully place the second cake layer on top. Frost the entire cake, including the sides, with the remaining frosting.
- Sprinkle the remaining ½ cup of chopped toffee bits over the top and sides of the cake for that irresistible crunch and visual appeal.0.5 cup chopped toffee bits