Name: Chocolate Coconut Slice Recipe
Prep time: 20 min
Cook time: 25 min
Total time: 45 min
Cuisine: Australian
Ingredients: 200 g salted butter; ½ cup caster sugar (100 g); 2 tbsp golden syrup; 1 cup desiccated coconut (80 g); 3 cups crushed cornflakes (90 g); 1 cup self raising flour (150 g); 1.5 tbsp cocoa powder; 1 block Cadbury milk chocolate (180 g)

If you love the combo of rich chocolate and tropical coconut, then you’re going to adore this Chocolate Coconut Slice Recipe. It’s one of those Aussie classics that’s deliciously crunchy, buttery, and topped with silky melted milk chocolate—perfect for any sweet craving or lunchbox treat.

The image shows a stack of four square dessert bars on a white plate, placed on a white marbled surface. Each bar has two layers: a thick, crumbly brown bottom layer with a textured, moist appearance, and a smooth, shiny chocolate layer on top. The bars are neatly piled with the top bar slightly angled, revealing the layers clearly. Small crumbs are scattered around the plate, adding to the visual texture. photo taken with an iphone --ar 2:3 --v 7

Jump to:

Why You'll Love This Recipe
Ingredients & Why They Work
Make It Your Way
Step-by-Step: How I Make Chocolate Coconut Slice Recipe
Top Tip
How to Serve Chocolate Coconut Slice Recipe
Make Ahead and Storage
Frequently Asked Questions:
Final Thoughts
Chocolate Coconut Slice Recipe

Why You'll Love This Recipe

I first tried this Aussie Crunch – Chocolate Coconut Slice years ago, and it instantly became a go-to for when I want that perfect balance of crunchy, chewy, and chocolatey. It’s super easy to whip up, and everyone always asks for seconds!

Quick & Easy: Ready in just 45 minutes including cooling—perfect for busy days or last-minute baking urges.
Deliciously Crunchy: The crushed cornflakes base adds a unique texture that’s simply addictive.
Rich & Buttery Flavour: Golden syrup and butter give this slice a lovely caramelised note.
Perfectly Chocolatey: Smooth, melted Cadbury milk chocolate tops it off so beautifully.

Ingredients & Why They Work

Most of these ingredients are pretty easy to find and quite pantry-friendly, which is part of why this recipe is such a winner. Just a heads-up: crushing your cornflakes well makes all the difference to the texture, so don’t skip that step!

Flat lay of a small slab of salted butter with a clean cut, a small white ceramic bowl filled with fine caster sugar, a small white ceramic bowl holding thick golden syrup, a small white ceramic bowl heaped with fresh desiccated coconut, a small white ceramic bowl containing crushed cornflakes, a small white ceramic bowl with a heap of self-raising flour, a small white ceramic bowl with rich dark cocoa powder, and a block of smooth milk chocolate with a clean edge, all arranged in perfect symmetry on a clean white marble surface, soft natural light, photo taken with an iPhone, professional food photography style, fresh ingredients, white ceramic bowls, no bottles, no duplicates, no utensils, no packaging --ar 2:3 --v 7 --p m7354615311229779997

Salted Butter: Gives a rich, creamy flavor and helps bind everything together with a subtle salty hint.
Caster Sugar: Dissolves quickly to add sweetness without graininess, balancing the other flavors perfectly.
Golden Syrup: For that lovely caramelised depth—if you don’t have any, honey or molasses are decent substitutes.
Desiccated Coconut: Provides texture and a lovely coconut flavor that makes this slice stand out.
Crushed Cornflakes: The secret behind that satisfying crunch; you can swap for rice bubbles or crushed Weetbix if needed.
Self-Raising Flour: Helps the base hold together with a bit of lift and softness.
Cocoa Powder: Brings out rich chocolate undertones without overpowering the slice.
Cadbury Milk Chocolate: The crowning glory—smooth and sweet, it melts beautifully to finish the slice.

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Note: You'll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Make It Your Way

The joy of this Chocolate Coconut Slice Recipe is how easily it adapts to your taste and pantry. Feel free to tweak the ingredients or shape to your liking—and each version will still deliver that nostalgic Aussie crunch with a smooth chocolate hit.

Gluten-Free Twist: Swap the self-raising flour for a gluten-free baking blend. I tried this once with a rice flour mix, and it kept the slice wonderfully chewy without losing any of that rich coconut flavor.
Nutty Upgrade: Toss in a handful of roughly chopped macadamia nuts or almonds to the base for extra crunch and a subtle nutty aroma.
Chocolate Variations: Use dark chocolate for a richer top or white chocolate for a sweeter contrast. I personally love using dark chocolate when sharing this slice with friends who appreciate a less sweet version.
Crunch Swap: If cornflakes aren’t on hand, crushed rice bubbles or even crushed Weetbix bring a different texture—both worked surprisingly well in my kitchen experiments.
Sweetener Swap: If you want less refined sugars, golden syrup can be replaced with honey or molasses. Just keep an eye on the mixing stage, as these may slightly change consistency.

Step-by-Step: How I Make Chocolate Coconut Slice Recipe

The image shows several triangular slices of a two-layer chocolate dessert arranged closely together. The bottom layer is a rich, dark brown, moist cake with a slightly crumbly texture. The top layer is a smooth, light milk chocolate glaze that has a shiny finish with subtle swirl patterns. The slices are placed on a white marbled surface with small crumbs around them, emphasizing their soft texture. photo taken with an iphone --ar 2:3 --v 7

Step 1: Gently Melt Your Base Ingredients

Start by preheating your oven to 180°C (360°F). Place a large saucepan on low heat and melt 200 grams of salted butter first—this sets the rich, buttery foundation. Then add in ½ cup of caster sugar (about 100 g), 2 tablespoons of golden syrup, 1 cup of desiccated coconut (80 g), 1.5 tablespoons of cocoa powder, and 1 cup of self-raising flour (150 g). Stir gently but thoroughly so everything becomes one luscious, even mixture without lumps. This slow, careful melting and mixing helps marry the ingredients, giving the slice that signature caramelized flavor and moist crumb.

Step 2: Add the Crunch and Shape Your Slice

Once your base mix is smooth, gently fold in 3 cups of crushed cornflakes (90 g). Be gentle here to keep that brilliant crunch alive! I like to crush cornflakes with the back of a spoon right in their bowl or pop them in a resealable bag and crush by hand for an easy cleanup. Then dump the whole mixture into a 20 x 30 cm (8 x 12 inch) baking tray. Using the back of a spoon or a spatula, press firmly to flatten the mixture evenly, especially pushing it firmly into the corners. This ensures even baking and lets you cut nicely shaped slices later.

Step 3: Bake and Cool the Base

Bake your slice base in the preheated oven for 25 minutes. You’ll want to watch for the edges to firm up and the coconut to turn a beautiful golden brown—this sweet caramelised aroma lets you know you’re on the right track. Once baked, remove the slice from the oven and allow it to cool completely at room temperature. This cooling step is key to make sure your chocolate topping will set perfectly on a firm base instead of melting into it.

Step 4: Melt and Spread the Chocolate Topping

Break 1 block (180 g) of Cadbury milk chocolate into small pieces and place them in a microwave-safe bowl. Heat the chocolate in 30-second bursts, stirring well between each interval, until fully melted and silky smooth. This slow melting prevents burning and keeps your chocolate glossy. Immediately spread the melted chocolate evenly over the cooled slice base using a spatula. Smooth it out so every bite is perfectly coated.

Step 5: Chill, Cut, and Enjoy!

Place the tray in the fridge for at least 15 minutes to let the chocolate topping harden into a luscious, firm layer. When set, remove from the fridge and cut into 12 slices—the classic triangle shape is traditional and fun, but squares or long bars work just as well. Enjoy these delightful slices as a sweet treat with your afternoon tea, pack them in lunch boxes, or share with friends for a true Aussie snack experience.

Top Tip

Getting that perfect balance of rich chocolate and crunchy coconut base can be a breeze with a few handy tips. These little tricks from my own baking adventures make the Chocolate Coconut Slice Recipe truly shine every time.

Crushing Cornflakes Carefully: I like to crush the cornflakes by putting them in a sealed bag and gently pressing with my hands rather than smashing with a rolling pin. This keeps the pieces chunky enough for a lovely crunch in the base.
Even Pressing of Mixture: During prep, make sure to press the slice base firmly with a spatula—especially into the corners! I’ve found that ensures the base cooks evenly without any crumbly edges.
Melting Chocolate Smoothly: I always melt the chocolate in short 30-second bursts in the microwave, stirring in between. This prevents overheating and keeps the chocolate silky for an even spread.
Cutting Shapes: While triangles are classic, don’t be afraid to mix it up! Using a hot knife after the chocolate is set stopped me from cracking the topping and gave clean edges.

How to Serve Chocolate Coconut Slice Recipe

A clear glass bowl sits on a white marbled surface, filled with a layered mixture. The bottom layer is dark brown and smooth, likely chocolate or a similar ingredient. On top of this, a thick, bright yellow crumbly layer covers most of the surface. A white spoon with a light gray handle is scooping into the yellow layer from the right side, revealing part of the dark brown layer underneath. The scene is well-lit, showing texture clearly. photo taken with an iphone --ar 2:3 --v 7

Garnishes

While the slice is delicious on its own, adding a sprinkle of toasted desiccated coconut on the chocolate before it sets adds extra texture and a beautiful finish. For an elegant touch, a light dusting of cocoa powder or a few shavings of extra milk chocolate make it feel a bit more special.

Side Dishes

Serve your Chocolate Coconut Slice recipe alongside a cup of freshly brewed coffee or a creamy chai latte for the perfect afternoon tea. For a lighter twist, try pairing with fresh berries or a small bowl of Greek yogurt to balance the sweetness.

Make Ahead and Storage

Storing Leftovers

Keep your leftover slices stored in an airtight container inside the fridge, where they will stay fresh for up to one week. This helps keep the chocolate topping firm and the base delectably crunchy.

Freezing

For longer preservation, cut the slice into bite-sized pieces and freeze them in an airtight container or freezer bag. Frozen slices make wonderful grab-and-go snacks or lunchbox treats that thaw quickly at room temperature before enjoying.

Reheating

If you prefer a softer texture, let the slice warm slightly at room temperature or gently microwave individual pieces for around 10 seconds. Be careful not to overheat, or the chocolate topping might melt down too much.

Frequently Asked Questions:

Can I use unsalted butter instead of salted butter in this recipe?

Absolutely! Using unsalted butter works perfectly. Just keep in mind that salted butter adds a subtle saltiness that enhances the caramelized flavors, so you might want to add a tiny pinch of salt if you switch.

What can I substitute if I don’t have golden syrup?

Golden syrup gives a lovely caramel flavor, but you can substitute it with honey, brown sugar, or molasses. Each will give a slightly different twist but still keep the slice wonderfully rich.

How do I keep the chocolate topping from cracking when I cut the slice?

To avoid cracking, wait until the chocolate is fully set and cold, then use a warm knife — dip the knife blade into hot water, wipe it dry, and cut cleanly through the slice. This helps the chocolate slice smoothly.

Can I replace cornflakes with another cereal?

Yes! Rice bubbles or crushed Weetbix are both excellent alternatives that provide a different kind of crunch without compromising the slice’s texture and flavor.

Final Thoughts

This Chocolate Coconut Slice Recipe holds a special place in many Aussie kitchens for a reason – it perfectly blends a buttery, crunchy base with smooth milk chocolate topping, creating a treat that’s both nostalgic and indulgent. Whether you’re baking for a crowd or a quiet afternoon at home, it’s an easy favorite that never disappoints. So grab your ingredients, follow these tips, and enjoy every delicious slice. Happy baking!