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Home » Recipes » Cookies and Bars

Chocolate Covered Cornflakes (Roses Des Sables)

Updated: Mar 27, 2025 · Published: Mar 15, 2022 by Kathleen Culver · This post may contain affiliate links · Leave a Comment

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Crisp and crunchy with a buttery chocolate coating, these chocolate covered cornflakes are a quick and easy no bake chocolate dessert that you can prepare in 15 minutes and serve in less than an hour! Make them with just 3 ingredients: unsweetened cornflakes, your favorite dark chocolate, and a bit of salted butter. Sprinkle with flaky sea salt and serve - that's it for a simple and indulgent treat!

A large speckled grey ceramic plate holds chocolate covered cornflake cereal in doubled up mini brown paper cupcake liners. They rest on a grey stone surface and are surrounded by another muffin tin, a brown bowl and brown paper cupcake liners,

Sometimes you just want a simple, easy dessert, one that you can make in a short amount of time without many ingredients or fuss.

Breakfast cereal is a quick way to achieve this. Since cereal became a common household item in the middle of the 20th century, people around the world have fashioned it into a wide variety of desserts.

Here in the US, we have the classic marshmallow rice krispie treats, as well as scotcheroos, made with puffed rice, butterscotch, and peanut butter. We also have muddy buddies (aka puppy chow or monkey munch), woven cereal squares coated in melted chocolate and peanut butter then tossed in powdered sugar.

There are cornflake marshmallow chocolate chip cookies, made famous by Christina Tosi of Milk Bar. Australia and New Zealand have honey joys or honey crackles, a corn flake dessert made with honey and sugar.

And France has roses des sables, known in English as desert roses or sand roses. They're made with cornflakes, good quality bar chocolate, and salted butter. Some recipes call for additional sugar, but I didn't find it necessary at all.

The chocolate treat is named for the unique desert crystal formations that look much like these easy no bake chocolate cornflake cookies.

.

A cluster of light brown desert rose crystals.
Rob Lavinsky, iRocks.com – CC-BY-SA-3.0, CC BY-SA 3.0, via Wikimedia Commons

A big cluster of desert rose crystals, also known as selenite crystals or gypsum. This specific specimen was found in the state of Oklahoma in the USA.
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  • Ingredients
  • Instructions
  • Substitutions
  • Variations
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A slde view of a large speckled grey ceramic plate holds chocolate covered cornflake cereal in doubled up mini brown paper cupcake liners. They rest on a grey stone surface and are surrounded bya grey linen napkin, a pinch bowl of flaky salt and another plate of candies.
A vintage silver mini muffin tins hold chocolate covered cornflake cereal, called roses de sables. They rest on a grey stone surface and are surrounded by a brown bowl and brown paper muffin liners,

Ingredients

* See recipe card for detailed list of ingredients and quantities.

Dark chocolate - Dark chocolate bars range from 50-90% cocoa. I tested this recipe with 55% cocoa chocolate chips and both 62% and 72% cocoa chocolate bars.

I preferred the flavor of the 62% chocolate paired with the butter and cornflakes.

The consistency of the recipe made with melted bar chocolate was superior to the version with chocolate chips. Chocolate chips often contain fillers intended to prevent them from melting and losing shape. The texture and consistency of the final product will be better using a good quality bar chocolate.

Salted butter - Butter adds additional flavor, and helps thin the chocolate so that you can mix it with the cornflakes more easily. Most of my recipes call for unsalted butter in order to control the total amount of salt in the recipe. However, here I've chosen to use a good quality salted butter. I wanted the salt flavor, but didn't want to risk uneven pockets of graininess from adding it myself.

Corn flakes - The foundation of the recipe that provides a nice taste and a satisfying crunch. Standard supermarket variety corn flakes are all you need. I used unsweetened cornflakes. Sugared cornflakes, or frosted flakes, would be too sweet.

Kosher salt - Sprinkle a bit of Kosher salt on top prior to letting the chocolate set. It adds a lovely depth of flavor.

A process photo showing the ingredients for the roses de sables recipe, including a bowl of cornflakes, cubed butter, sea salt and two types of chocolate. The containers rest on a grey stone surface with a grey napkin nearby.

Instructions

Find the detailed instructions on the recipe card.

Step 1: Line a 24 well mini muffin tin with mini paper liners.

Step 2: Measure the cornflakes out into a wide salad bowl. If needed, measure the cornflakes out by hand to ensure you have mostly whole pieces rather than crumbs. Set aside.

A process photo showing a metal bowl with finely chopped chocolate and pats of butter inside. The bowl rests on a grey stone surface with a grey napkin nearby.
A process photo showing a metal bowl of melted chocolate with a grey spatula resting in it. The bowl rests on a grey stone surface with a grey napkin nearby.

Step 3: Melt the butter and finely chopped chocolate in the top of a double boiler (or a heatproof glass or metal bowl that fits over your pot of simmering water). Stir to completely incorporate butter.

A process photo showing a bowl of melted chocolate being poured onto a larger bowl of cornflakes. The bowl of cereal rests on a grey stone surface with a grey napkin nearby.

Step 4: Pour chocolate mixture over cornflakes. Using a silicone spatula, use a gentle folding motion to coat the cereal with the chocolate mixture. Slide the spatula under the cornflakes, then lift and turn the spatula upside down. Do not press on the mixture. Be patient - it will take a few minutes of careful folding to coat the majority of the cornflakes.

A process photo showing a metal bowl of cereal covered in melted chocolate with a grey spatula resting in it. The bowl rests on a grey stone surface with a grey napkin nearby.
Two vintage mini muffin tins hold chocolate covered cornflake cereal, called roses de sables. They rest on a grey stone surface and are surrounded by a grey ceramic plate, brown paper muffin liners, a cookie scoop and a grey linen napkin.

Step 5: Use a medium cookie scoop or spoon to scoop the chocolate covered cereal into the lined muffin tin. When finished, you should have about 20 mini muffin-sized treats.

Gently rap the mini muffin pan on the countertop as you're filling the wells. This will help ensure the chocolate covered cereal settles and doesn't leave big gaps. If desired, use your fingers to place a few of the cornflakes at perpendicular angles to more closely approximate the look of the desert rose crystal formations.

Step 6: Sprinkle each rose des sables with a bit of flaky sea salt. Let set at room temperature, or place in the refrigerator for 15 minutes to chill.

Substitutions

Unsalted butter - If you only have unsalted butter on hand, feel free to use it. Add ⅛ teaspoon fine salt to the butter and chocolate mixture as you melt it so that it fully incorporates.

Variations

If you wish to try some variations on the traditional recipe, consider the following:

  • White chocolate - Use white chocolate instead of dark chocolate. Since white chocolate contains more cocoa butter, reduce the total amount of the butter in the recipe by 14 grams (1 Tablespoon).
  • Add-ins - Add a few Tablespoons of coconut flakes, raisins, or chopped nuts.
  • Kid friendly - Top with sprinkles or jimmies for a festive look.
  • Citrus zest - Stir in a Tablespoon of finely grated citrus zest (typically the zest of one lemon or orange)
  • Easter nests - Another common use for chocolate coated cereals is to form them into Easter or spring themed bird nests.
    • Increase the size to standard muffin papers and tins and make an indentation in the center of each pile of chocolate coated cereal.
    • Once hardened, place candy coated chocolate mini eggs in the center of the chocolate nests.
A large speckled grey ceramic plate holds chocolate covered cornflake cereal in doubled up mini brown paper cupcake liners. They rest on a grey stone surface and are surrounded by another muffin tin, a brown bowl and brown paper cupcake liners,
Two vintage mini muffin tins hold chocolate covered cornflake cereal, called roses de sables. They rest on a grey stone surface and are surrounded by brown bowls, brown paper muffin liners and a pinch bowl of flaky sea salt.

Equipment

While the vintage mini muffin tins I've used as props in the photographs look great, for baking I prefer to use this 24 well nonstick mini muffin pan.

These are the parchment paper mini muffin tin liners that I use.

I use this medium cookie scoop which measures out 1 ½ Tablespoons - it's a size 40 - to portion these out. It's an incredibly helpful tool for drop cookies as well.

Storage

Store these treats in an airtight container at room temperature for up to a week. If the temperature is hot where you are, consider placing them in a cool, dry location. They may be refrigerated, but risk losing their crunch after a day or two.

I kept some in the refrigerator overnight to test storage options, and mine were still crispy the next day. They didn't last long enough to test any further than that...

Recipe Tip

Use a wide bowl, such as a salad or pasta bowl, to toss the cornflakes with the melted chocolate mixture. You want to have plenty of space to complete the gentle folding action.

A narrow bowl with steep sides will make folding more difficult and you risk crushing more of the flakes as you mix.

A slde view of a large speckled grey ceramic plate holding chocolate covered cornflake cereal in doubled up mini brown paper cupcake liners. The plate rests on a grey stone surface.

Love this recipe? Please leave a comment and star rating. ★★★★★ Your feedback, suggestions, and adaptations are very helpful to other bakers!

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A slde view of a large speckled grey ceramic plate holding chocolate covered cornflake cereal in doubled up mini brown paper cupcake liners. The plate sits on a grey stone surface.
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Roses Des Sables (Chocolate Covered Cornflakes)

Crisp and crunchy with a buttery chocolate coating, these chocolate covered cornflakes are a quick and easy dessert that you can prepare in 15 minutes and serve in less than an hour! They're made with just three ingredients: unsweetened cornflakes, your favorite dark chocolate, and a bit of salted butter. Sprinkled with flaky sea salt, they're a simple and indulgent treat.
AuthorKathleen Culver
Prep time15 minutes minutes
Cook time0 minutes minutes
Time to set30 minutes minutes
Total time45 minutes minutes
Servings20 mini muffin sized chocolates
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INGREDIENTS

  • 56 grams (4 Tablespoons) salted butter
  • 200 grams (7 ounces) dark chocolate, finely chopped (I used 62%)
  • 100 grams (3⅛ cups) corn flakes
  • flaky sea salt, to sprinkle on top

INSTRUCTIONS

  • Line a 24 well mini muffin tin with mini paper liners. Set aside.
  • Measure the cornflakes out into a wide salad bowl. If needed, measure the cornflakes out by hand to ensure you have mostly whole pieces rather than crumbs. Set aside.
    100 grams (3⅛ cups) corn flakes
  • Melt the butter and chocolate in the top of a double boiler (or a heatproof glass or metal bowl that fits over your pot of simmering water). Stir until butter is completely incorporated.
    56 grams (4 Tablespoons) salted butter, 200 grams (7 ounces) dark chocolate
  • Pour chocolate mixture over cornflakes. Using a silicone spatula, use a gentle folding motion to coat the cereal with the chocolate mixture. Slide the spatula under the cornflakes, then lift and turn the spatula upside down. Do not press on the mixture. Be patient - it will take about 5 minutes of careful folding to ensure the majority of the cornflakes are coated.
  • Use a medium cookie scoop or spoon to scoop the chocolate covered cereal into the lined muffin tin. If desired, use your fingers to place a few of the cornflakes at perpendicular angles to more closely approximate the look of the desert rose crystal formations. When finished, you should have about 20 treats.
  • Sprinkle each rose des sables with a bit of flaky sea salt. Let set at room temperature, or place in the refrigerator for 15 minutes to chill. Store in an airtight container at room temperature in a cool location.
    flaky sea salt

EQUIPMENT

  • mini muffin pan

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Hi! I'm Kathleen.

I'm the baker, food photographer and chief mess maker behind the Floured Table. I share my passion for delicious desserts by providing you with well tested, approachable recipes you can confidently recreate at home.

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