I made this chocolate masterpiece so rich and glossy, it practically demands a spot next to my Caramel Pretzel Crack Bars. One bite in, and the whole dessert table has a new obsession.

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I’m obsessed with this Chocolate Caramel Toffee Crunch Cake because it hits every craving I have at once: deep chocolate, caramel, salty crunch, and that ridiculous candy-bar bite from toffee bits. I love the way unsweetened cocoa powder keeps the cake bold instead of sweet-on-sweet, while the caramel drips into every forkful like it has no manners.

And the crunch? Loud, messy, completely necessary.

But my favorite move is serving fat slice next to my Caramel Pretzel Crack Bars and pretending I’m not going back for both. No restraint.

Just chocolate, caramel, crunch, and a plate I refuse to share.

Ingredients

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Flour gives the cake structure, so it’s soft but not a total mess.
Sugar keeps things sweet, moist, and honestly pretty irresistible.
Cocoa powder brings that deep chocolate flavor you actually want.
Eggs help hold everything together and add a little richness.
Milk or buttermilk makes the crumb tender and a bit cozy.
Oil keeps the cake super moist, even after chilling.
Hot coffee makes the chocolate taste bolder, not like coffee.
Brown sugar and butter turn into that sticky caramel situation.
Heavy cream makes the caramel and ganache smooth, glossy, and rich.
Sea salt cuts the sweetness, so it doesn’t feel too much.
Toffee bits add buttery crunch and those tiny candy-shop vibes.
Pretzels bring salty crunch, which is basically the best part.
Chopped chocolate makes the ganache thick, shiny, and dramatic.
Buttercream adds the creamy layer you’ll definitely swipe with a spoon.
Plus, extra toppings make it look bakery-level without trying too hard.

Ingredient Quantities

2 cups (240 g) all purpose flour

2 cups (400 g) granulated sugar

3/4 cup (75 g) unsweetened cocoa powder

1 1/2 teaspoons baking powder

1 1/2 teaspoons baking soda

1 teaspoon fine salt

2 large eggs, room temperature

1 cup (240 ml) whole milk or buttermilk

1/2 cup (120 ml) vegetable oil

2 teaspoons pure vanilla extract

1 cup (240 ml) hot strong brewed coffee

1 1/2 cups (340 g) packed light brown sugar, for caramel

6 tablespoons (85 g) unsalted butter, for caramel

1/2 cup (120 ml) heavy cream, warmed, for caramel

1/2 teaspoon fine sea salt, plus extra for sprinkling

1 1/2 cups (225 g) toffee bits or crushed store bought English toffee

1 1/2 cups (150 g) crushed pretzels or crunchy salted crackers

12 ounces (340 g) semisweet or bittersweet chocolate, chopped, for ganache

3/4 cup (180 ml) heavy cream, for ganache

8 ounces (225 g) unsalted butter, softened, for buttercream

3 cups (360 g) powdered sugar, sifted, for buttercream

1/3 cup (30 g) unsweetened cocoa powder, for chocolate buttercream

2 to 3 tablespoons heavy cream or milk, to adjust buttercream consistency

1 teaspoon pure vanilla extract, for buttercream

Optional garnish: extra toffee bits and pretzel pieces for topping

How to Make this

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1. Preheat oven to 350°F (175°C). Grease and line two 8 or 9 inch round cake pans and set aside.

2. Whisk together 2 cups flour, 2 cups granulated sugar, 3/4 cup cocoa powder, 1 1/2 teaspoons baking powder, 1 1/2 teaspoons baking soda, and 1 teaspoon fine salt in a large bowl.

3. In a separate bowl whisk 2 large eggs, 1 cup whole milk or buttermilk, 1/2 cup vegetable oil, and 2 teaspoons vanilla until combined. Pour the wet ingredients into the dry and mix until just combined.

4. Stir in 1 cup hot strong brewed coffee until batter is smooth and thin. Divide batter between prepared pans and bake 25 to 30 minutes or until a toothpick comes out with a few moist crumbs. Cool in pans 10 minutes, then transfer to a wire rack to cool completely.

5. Make the caramel topping: in a medium saucepan melt 1 1/2 cups packed light brown sugar with 6 tablespoons unsalted butter over medium heat, stirring constantly until it begins to bubble. Carefully whisk in 1/2 cup warmed heavy cream and 1/2 teaspoon fine sea salt. Simmer 1 to 2 minutes until thickened, then stir in 1 1/2 cups toffee bits and 1 1/2 cups crushed pretzels. Allow to cool slightly so it holds together but is still pourable.

6. Prepare chocolate ganache: place 12 ounces chopped chocolate in a heatproof bowl. Heat 3/4 cup heavy cream until just simmering and pour over chocolate. Let sit 1 minute, then whisk until smooth and glossy. Cool slightly to a spreadable consistency.

7. Make chocolate buttercream: beat 8 ounces softened unsalted butter until creamy, sift in 3 cups powdered sugar and 1/3 cup unsweetened cocoa powder, add 1 teaspoon vanilla, and 2 to 3 tablespoons heavy cream or milk as needed to reach spreadable consistency. Beat until light and fluffy.

8. Level cooled cake layers if needed. Place one layer on a cake plate, spread a thin layer of chocolate buttercream, then spoon and spread half of the caramel-toffee-pretzel mixture over the buttercream. Top with the second cake layer.

9. Crumb coat the cake with a thin layer of chocolate buttercream and chill 15 minutes. Finish by spreading remaining buttercream smoothly over the cake, then pour ganache over the top, letting it drip down the sides. Spoon any remaining caramel mixture onto the top center and gently press toffee and pretzel pieces into the caramel.

10. Sprinkle a little extra fine sea salt over the top, garnish with extra toffee bits and pretzel pieces if desired, chill until set and serve at room temperature.

Equipment Needed

1. Oven and two 8 or 9 inch round cake pans lined with parchment
2. Mixing bowls (large and medium)
3. Measuring cups and spoons and kitchen scale
4. Whisks and rubber spatula
5. Electric mixer or stand mixer with paddle or whisk attachment
6. Saucepan for caramel and small saucepan for heating cream
7. Heatproof bowl for ganache and a whisk
8. Wire cooling rack and cake plate or stand
9. Offset spatula or bench scraper for spreading buttercream

FAQ

Can I make this cake gluten free? Yes. Substitute a 1-to-1 gluten free all purpose flour blend that contains xanthan gum and weigh 240 g to match the recipe. Expect minor texture differences and be sure not to overmix.

How do I prevent the caramel from seizing or crystallizing? Use an accurate heavy bottom saucepan, do not stir once the sugar melts and begins to brown, and swirl the pan gently if needed. When adding warmed cream, pour slowly and stir carefully to combine. If crystals form, finish with a splash of lemon juice or a few drops of corn syrup and gently heat to dissolve.

Can I replace the coffee in the batter? Yes. Use hot water for a milder chocolate flavor or hot brewed decaf if you want no caffeine. Coffee enhances chocolate depth but is not required for structure.

How should I store the finished cake? Keep cake refrigerated in an airtight cake container for up to 4 days. Bring to room temperature before serving for best texture. For longer storage freeze individual slices wrapped tightly for up to 3 months and thaw in the fridge overnight.

What if my ganache is too thin or too thick? If ganache is too thin, chill briefly until it thickens to a spreadable consistency, or add a bit more melted chopped chocolate. If it is too thick, warm gently over a double boiler or stir in a teaspoon of warmed cream at a time until you reach the desired pourability.

Can I make parts ahead of time? Yes. Bake layers and cool completely, then wrap and freeze up to 1 month. Caramel keeps in the fridge up to 2 weeks and can be gently warmed before using. Buttercream keeps in the fridge up to 5 days or frozen for 1 month; bring to room temperature and rewhip before assembly.

Chocolate Caramel Toffee Crunch Cake Recipe Substitutions and Variations

All purpose flour: substitute with a 1-to-1 gluten free baking blend that contains xanthan gum, use the same weight (240 g), and expect a slightly different crumb and a need for gentle handling.
Granulated sugar: substitute with superfine or caster sugar at a 1-to-1 volume ratio, or use coconut sugar 1-to-1 by weight for a deeper caramel note and slightly less sweetness.
2 large eggs: substitute each egg with 1 tablespoon ground flaxseed mixed with 3 tablespoons water (let sit 5 minutes) for a vegan binder, or use 1/4 cup unsweetened applesauce per egg for added moisture but a softer crumb.
Unsalted butter for caramel: substitute with equal weight salted butter and omit the 1/2 teaspoon fine sea salt in the caramel, or use refined coconut oil at a 1-to-1 weight ratio for a dairy-free caramel with a milder flavor.

Pro Tips

1. Make the cake batter the night before and refrigerate it overnight in the bowl, covered. Cold batter yields a more developed chocolate flavor after resting, and it helps the layers bake more evenly the next day.

2. Warm the heavy cream before adding it to both the caramel and the ganache. Warm cream prevents the caramel from seizing and makes the ganache glossy and smooth, so you get a silky pour and cleaner drips down the sides.

3. Toast the pretzel pieces and toffee bits briefly in a 350°F oven for 5 to 7 minutes, then cool completely. Toasting deepens their flavor and keeps them crunchy longer inside the caramel, so you get better texture contrast in every bite.

4. When assembling, use a thin layer of buttercream under the caramel to act as a moisture barrier. That small layer prevents the wet caramel from softening the cake too much, but still lets the caramel bond so slices hold together nicely.

Chocolate Caramel Toffee Crunch Cake Recipe

Recipe by Nikoli Athen

0.0 from 0 votes

I made this chocolate masterpiece so rich and glossy, it practically demands a spot next to my Caramel Pretzel Crack Bars. One bite in, and the whole dessert table has a new obsession.

Servings

servings

Calories

1132

kcal

Equipment: 1. Oven and two 8 or 9 inch round cake pans lined with parchment
2. Mixing bowls (large and medium)
3. Measuring cups and spoons and kitchen scale
4. Whisks and rubber spatula
5. Electric mixer or stand mixer with paddle or whisk attachment
6. Saucepan for caramel and small saucepan for heating cream
7. Heatproof bowl for ganache and a whisk
8. Wire cooling rack and cake plate or stand
9. Offset spatula or bench scraper for spreading buttercream

Ingredients

2 cups (240 g) all purpose flour
2 cups (400 g) granulated sugar
3/4 cup (75 g) unsweetened cocoa powder
1 1/2 teaspoons baking powder
1 1/2 teaspoons baking soda
1 teaspoon fine salt
2 large eggs, room temperature
1 cup (240 ml) whole milk or buttermilk
1/2 cup (120 ml) vegetable oil
2 teaspoons pure vanilla extract
1 cup (240 ml) hot strong brewed coffee
1 1/2 cups (340 g) packed light brown sugar, for caramel
6 tablespoons (85 g) unsalted butter, for caramel
1/2 cup (120 ml) heavy cream, warmed, for caramel
1/2 teaspoon fine sea salt, plus extra for sprinkling
1 1/2 cups (225 g) toffee bits or crushed store bought English toffee
1 1/2 cups (150 g) crushed pretzels or crunchy salted crackers
12 ounces (340 g) semisweet or bittersweet chocolate, chopped, for ganache
3/4 cup (180 ml) heavy cream, for ganache
8 ounces (225 g) unsalted butter, softened, for buttercream
3 cups (360 g) powdered sugar, sifted, for buttercream
1/3 cup (30 g) unsweetened cocoa powder, for chocolate buttercream
2 to 3 tablespoons heavy cream or milk, to adjust buttercream consistency
1 teaspoon pure vanilla extract, for buttercream
Optional garnish: extra toffee bits and pretzel pieces for topping

Directions

Preheat oven to 350°F (175°C). Grease and line two 8 or 9 inch round cake pans and set aside.
Whisk together 2 cups flour, 2 cups granulated sugar, 3/4 cup cocoa powder, 1 1/2 teaspoons baking powder, 1 1/2 teaspoons baking soda, and 1 teaspoon fine salt in a large bowl.
In a separate bowl whisk 2 large eggs, 1 cup whole milk or buttermilk, 1/2 cup vegetable oil, and 2 teaspoons vanilla until combined. Pour the wet ingredients into the dry and mix until just combined.
Stir in 1 cup hot strong brewed coffee until batter is smooth and thin. Divide batter between prepared pans and bake 25 to 30 minutes or until a toothpick comes out with a few moist crumbs. Cool in pans 10 minutes, then transfer to a wire rack to cool completely.
Make the caramel topping: in a medium saucepan melt 1 1/2 cups packed light brown sugar with 6 tablespoons unsalted butter over medium heat, stirring constantly until it begins to bubble. Carefully whisk in 1/2 cup warmed heavy cream and 1/2 teaspoon fine sea salt. Simmer 1 to 2 minutes until thickened, then stir in 1 1/2 cups toffee bits and 1 1/2 cups crushed pretzels. Allow to cool slightly so it holds together but is still pourable.
Prepare chocolate ganache: place 12 ounces chopped chocolate in a heatproof bowl. Heat 3/4 cup heavy cream until just simmering and pour over chocolate. Let sit 1 minute, then whisk until smooth and glossy. Cool slightly to a spreadable consistency.
Make chocolate buttercream: beat 8 ounces softened unsalted butter until creamy, sift in 3 cups powdered sugar and 1/3 cup unsweetened cocoa powder, add 1 teaspoon vanilla, and 2 to 3 tablespoons heavy cream or milk as needed to reach spreadable consistency. Beat until light and fluffy.
Level cooled cake layers if needed. Place one layer on a cake plate, spread a thin layer of chocolate buttercream, then spoon and spread half of the caramel-toffee-pretzel mixture over the buttercream. Top with the second cake layer.
Crumb coat the cake with a thin layer of chocolate buttercream and chill 15 minutes. Finish by spreading remaining buttercream smoothly over the cake, then pour ganache over the top, letting it drip down the sides. Spoon any remaining caramel mixture onto the top center and gently press toffee and pretzel pieces into the caramel.
Sprinkle a little extra fine sea salt over the top, garnish with extra toffee bits and pretzel pieces if desired, chill until set and serve at room temperature.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.