Caramel Cornflake Crunch Brownies

These Caramel Cornflake Crunch Brownies are the ultimate indulgent treat, combining rich, fudgy dark chocolate brownies with a sweet, crunchy layer of caramel-coated cornflakes. Decadent, textural, and satisfyingly sweet, this two-layer dessert offers a delightful contrast of gooey and crisp in every bite. Perfect for parties, bake sales, or just when you’re craving something bold and chocolatey, this recipe is sure to impress with its flavor and eye-catching topping.

Full Recipe: 

Ingredients

For the Brownie Base:
• 200g dark chocolate (finely chopped)
• 175g unsalted butter
• 265g golden caster sugar
• 200g plain flour
• ¼ tsp salt
• 3 large eggs

For the Caramel Cornflake Topping:
• 300g caster sugar
• 200ml double cream
• 100g unsalted butter
• ½ tsp salt
• 1 tsp vanilla extract
• 125g cornflakes

Directions

  1. Preheat & Prep: Preheat the oven to 200°C/180°C Fan/Gas Mark 6. Grease and line an 8×8 inch square tin.

  2. Make Brownie Batter: Place chopped chocolate in a bowl. Melt butter and pour over the chocolate, stirring until smooth. Add sugar and mix to combine. Stir in flour and salt, then mix in the eggs until fully combined.

  3. Bake: Pour batter into the prepared tin, spread evenly, and bake for 35 minutes. Cool completely in the tin before adding the topping.

  4. Make Caramel: In a heavy-bottomed saucepan, melt the sugar over medium-high heat, stirring occasionally until it turns a golden-amber color. Remove from heat and carefully stir in cream, butter, salt, and vanilla—it will bubble vigorously.

  5. Cook Caramel: Return to heat and cook until it reaches 118°C on a thermometer (about 10 minutes).

  6. Mix in Cornflakes: Remove from heat and stir in cornflakes until fully coated.

  7. Top Brownies: Pour the caramel cornflake mixture over the cooled brownies and spread evenly. Let cool completely before cutting.

  8. Storage: Store in an airtight container for 4–5 days.

Nutrients (Estimated per serving, assuming 16 squares)

  • Calories: ~350 kcal

  • Fat: ~20g

  • Saturated Fat: ~12g

  • Carbohydrates: ~38g

  • Sugars: ~28g

  • Protein: ~3g

  • Fiber: ~2g

  • Sodium: ~100mg

Fudgy Meets Crunchy: A Perfect Pairing

What makes this brownie stand out from the rest is its contrast of textures. The bottom layer is dense, moist, and rich—a textbook-perfect brownie base that melts in your mouth. Made with real dark chocolate, it boasts a deep, bittersweet flavor that balances beautifully with the sweet caramel topping.

Then comes the crunch. The cornflake topping isn’t just decorative—it’s an essential part of the dessert. Each flake is coated in buttery, golden caramel that hardens just enough to create a crispy shell. As you bite in, you get a satisfying crackle followed by the softness of the brownie underneath. It’s this balance of crunch and chew that makes each bite so memorable.

The Caramel Cornflake Topping: Sweet, Sticky, and Addictive

The caramel cornflake layer elevates this dessert from simply good to absolutely crave-worthy. The homemade caramel is rich, buttery, and just the right amount of salty to cut through the sweetness. It’s cooked to just the right temperature, allowing it to set firm enough to hold its crunch while remaining soft enough to slice easily.

Once the cornflakes are coated, they’re spread evenly across the cooled brownie base, creating a golden mosaic of crunchy sweetness. As it cools, the caramel firms up, locking the cornflakes in place and making each square a perfectly layered piece of dessert magic.

This topping is a nod to classic school lunch nostalgia—many of us remember sticky cornflake cakes or toffee crisp bars—but this version is refined, elevated, and undeniably indulgent.

A Brownie That’s Made to Impress

Whether you’re hosting a dinner party, contributing to a bake sale, or preparing dessert for a weekend treat, these brownies will steal the show. Their glossy, golden topping glistens under the light, and their stacked, two-tone layers look like something straight out of a gourmet bakery.

Best of all, these brownies slice cleanly and hold their shape, making them easy to plate, package, or stack on a dessert table. Their visual appeal is only matched by their taste, making them an ideal make-ahead option for parties or events.

Flavor Profile: Rich, Buttery, and Balanced

The brownies themselves have that intense, bittersweet flavor that dark chocolate lovers crave. It’s not overly sweet, which allows the caramel layer to shine without becoming cloying. The caramel brings in deep buttery notes, a hint of salt for balance, and a slightly nutty richness from the cooked sugar.

The cornflakes—simple, humble breakfast cereal—turn into golden gems when coated in caramel, adding both texture and a nostalgic crunch. The end result is a dessert with multiple layers of flavor: first chocolate, then buttery sweetness, then a salty snap.

If you’re someone who enjoys contrast in desserts—soft and crunchy, sweet and salty, rich and airy—this brownie is your dream come true.

Simple Ingredients, Stunning Results

Despite its impressive look and flavor, this dessert uses straightforward, pantry-friendly ingredients. There’s no need for elaborate tools or niche techniques. With just a few quality staples—dark chocolate, butter, sugar, cream, and cornflakes—you can create a dessert that feels gourmet but remains totally accessible to home bakers.

This makes it a great recipe for bakers of all levels. Whether you’re a seasoned pro looking for a creative twist or a beginner ready to impress, you’ll find this recipe easy to follow and incredibly rewarding.

Tips for the Best Results

For the richest flavor, choose a high-quality dark chocolate with at least 70% cocoa content. The chocolate is the heart of the brownie base, so the better the chocolate, the deeper the flavor.

Let your brownies cool completely before adding the cornflake topping. If the brownies are still warm, the caramel may melt into the base, which can cause the layers to blend rather than remain distinct.

When making caramel, a candy thermometer is your best friend. Bringing the caramel to 118°C ensures the right consistency—not too soft, not too brittle. If you don’t have a thermometer, look for that rich amber color and thickened texture.

To slice cleanly through the crunchy topping, use a sharp knife warmed under hot water, wiping it between cuts. This technique will give you beautiful, bakery-style squares every time.

Endlessly Adaptable

This recipe is amazing as-is, but also highly customizable. Want to change things up? Try mixing crushed pretzels or salted peanuts into the caramel topping for extra flavor and crunch. You can also add a drizzle of melted chocolate over the top once set for an extra layer of indulgence.

Not a fan of dark chocolate? Swap it for semi-sweet or even milk chocolate, though keep in mind this will create a sweeter brownie overall. For a festive twist, sprinkle the top with a pinch of flaky sea salt or edible gold dust for added sparkle and flavor contrast.

Perfect for Make-Ahead and Storage

These brownies aren’t just delicious—they’re also practical. They can be made a day or two in advance, and their flavor and texture actually improve after resting. The caramel sets firmly, the brownie layer stays moist, and the topping retains its crunch when stored in an airtight container.

This makes them a great option for busy bakers who want to get ahead on party prep, holiday baking, or snack planning for the week.

Conclusion: The Ultimate Brownie Experience

Caramel Cornflake Crunch Brownies are more than just a dessert—they’re an experience. Every bite delivers layers of texture and flavor, from the fudgy richness of the brownie base to the crisp sweetness of the caramel cornflake topping. They’re indulgent, fun, and full of personality, making them the kind of treat people remember long after the last bite.

Perfect for chocoholics, caramel lovers, and anyone who enjoys a creative spin on a classic dessert, these brownies offer a bold new way to enjoy your favorite sweet treat. With their stunning look, irresistible crunch, and crowd-pleasing flavor, they’re destined to become a regular request for birthdays, bake sales, and everything in between.

Once you taste them, you’ll see why this isn’t just another brownie recipe—it’s a whole new level of dessert excellence.

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