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

If you’re after a delightful treat that’s both crunchy and chocolatey, you’ve got to try this Chocolate Coconut Slice Recipe. It’s a classic Aussie snack with a no-bake chocolate topping—perfect for when you want something sweet and satisfying without too much fuss.

Four rectangular bars are stacked unevenly on a white plate with a white marbled background. Each bar has two layers: a thick, crumbly brown base that looks soft and textured, and a smooth, slightly shiny chocolate layer on top. Small crumbs are scattered around the plate, adding a casual feel. The top layer is thin and glossy, contrasting with the dense, rough texture of the bottom part. 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 can’t tell you how many times I’ve turned to this Aussie Crunch – Chocolate Coconut Slice when I want a quick, crowd-pleasing dessert. It’s simple, nostalgic, and so deliciously addictive!

Easy to make: No fancy ingredients or techniques needed—just mix, bake, melt chocolate, and chill.
Crunchy texture: The crushed cornflakes give a satisfyingly crisp bite every time.
Rich chocolate flavor: The cocoa and Cadbury milk chocolate topping make it extra indulgent.
Perfectly portable: Cut into triangles and pack them for a lunchbox or afternoon snack.

Ingredients & Why They Work

Before you start, make sure you have everything on hand. Most of these ingredients will probably already be in your pantry, and they combine perfectly for that classic Aussie crunch we all love.

Flat lay of a small slab of salted butter, a small white ceramic bowl of fine white caster sugar, a small white ceramic bowl of golden syrup, a small white ceramic bowl heaped with desiccated coconut, a small white ceramic bowl heaped with self-raising flour, a small white ceramic bowl with dark cocoa powder, a small white ceramic bowl filled with crushed cornflakes, and a simple block of smooth milk chocolate, all arranged with perfect symmetry and balanced proportions, placed 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

Butter: I use salted butter as it adds just a touch of seasoning that balances the sweetness beautifully.
Caster sugar: This fine sugar dissolves easily, helping create the perfect sweet base.
Golden syrup: It gives the slice a lovely caramelized flavor and sticky texture.
Desiccated coconut: Adds chewiness and a tropical twist that pairs wonderfully with chocolate.
Cornflakes: Crushed cornflakes provide the signature crunch in this slice’s base.
Self-raising flour: Helps to bind everything together and gives a subtle lift.
Cocoa powder: Adds chocolate depth to the base for a double chocolate hit.
Cadbury milk chocolate: Melts into a smooth, creamy topping that sets up firm and snaps delightfully.

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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 beauty of this Chocolate Coconut Slice Recipe is how easy it is to personalize to your taste and pantry. Whether you want to tweak the crunch, adjust sweetness levels, or make it just right for a dietary need, there’s room to get creative!

Variation - Nutty Twist: I love adding a handful of chopped toasted macadamias or walnuts to the base mixture. It adds an extra layer of crunch and a lovely nutty warmth that pairs wonderfully with the chocolate topping.
Dietary Swap: For a gluten-free option, swap the self-raising flour with almond flour and use gluten-free cornflakes. It keeps the slice chewy and crunchy while catering to gluten sensitivities.
Seasonal Flavour Boost: Try mixing in some finely grated orange zest or a pinch of cinnamon into the base for a festive touch — perfect for holidays or cozy afternoons.
Chocolate Variety: Though the classic Cadbury milk chocolate melt is divine, dark chocolate lovers can use a 70% cocoa bar for a richer, less sweet finish. White chocolate on top is also a delightful alternative.
Crunch Alternatives: If cornflakes aren't on hand, rice bubbles or crushed weetbix provide a lovely alternative crunch without compromising texture or flavour.

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

The image shows several triangular pieces of a chocolate dessert arranged on a white marbled surface. Each piece has two layers: the bottom layer is a thick, dark brown, crumbly cake base with a rough texture, and the top layer is a smooth, shiny milk chocolate glaze with a few small bubbles and light swirls. The pieces are cut neatly and close together, with small crumbs scattered around them. Photo taken with an iphone --ar 2:3 --v 7

Step 1: Preheat and Prepare

Start by preheating your oven to 180°C (360°F). This ensures it's ready once your slice base is mixed, so you can get straight to baking. I like to line my 20 x 30 cm slice tray with baking paper to make it easier to remove once set.

Step 2: Melt and Mix the Base Ingredients

Place a large saucepan on low heat and add the salted butter first. Once melted, stir in the caster sugar and golden syrup. The mixture will begin to bubble gently and smell heavenly — the caramel notes from the golden syrup are a real highlight here! Next, fold in the desiccated coconut, cocoa powder, and self-raising flour, mixing until everything is combined into a rich, chocolatey batter.

Step 3: Fold in Crunchy Cornflakes

Last, add the crushed cornflakes and gently fold them through your chocolate base mix. Be careful not to crush the flakes too much—you want to keep that satisfying crunch. Pour the entire mixture into your prepared baking tray.

Step 4: Press Down and Bake

Use the back of a spoon or a spatula to press and flatten the mixture evenly across the tray, making sure to reach into all corners so your slice cooks uniformly. Pop it in the oven and bake for about 25 minutes, until it's set and edges have firmed up nicely.

Step 5: Cool Completely Before Chocolate Topping

Once out of the oven, allow the slice to cool fully in the tray at room temperature. This step is key—melting chocolate on a warm base can cause it to melt unevenly or run off.

Step 6: Melt and Spread the Chocolate

Break your Cadbury milk chocolate into small pieces, place in a microwave-safe bowl, and melt in 30-second bursts. Stir between each interval until smooth and silky. Spread this melted chocolate evenly over your cooled slice base with a spatula, covering every corner.

Step 7: Chill and Slice

Pop the tray in the fridge and let the chocolate set for at least 15 minutes. Once firm, remove and cut the slice into your favorite shapes — triangles are classic, but squares or long fingers work perfectly too. Now, it’s all ready to serve or pack up for a delicious snack later on!

Top Tip

These tips will help you get the perfect balance of crunch and chocolatey goodness every time you make this Chocolate Coconut Slice Recipe. Whether it's about crushing cornflakes just right or ensuring the chocolate sets beautifully, every detail counts!

Crushing Cornflakes: I find that crushing the cornflakes by hand inside a sealed plastic bag gives the best texture — you want them broken but not turned to powder, to keep that satisfying crunch.
Even Spreading: Press the slice base firmly and evenly into the tray, especially in the corners, so it bakes uniformly without crumbling later.
Melt Chocolate Slowly: Melting the Cadbury milk chocolate in short 30-second bursts and stirring in between ensures it doesn't burn and stays silky smooth for the perfect topping.
Fridge Time is Key: Don’t rush—allow the chocolate topping to chill for at least 15 minutes to set properly; this makes slicing easier and cleaner.

How to Serve Chocolate Coconut Slice Recipe

A clear glass bowl sits on a white marbled surface, filled with a mix of ingredients. At the bottom, there is a dark brown, smooth liquid. On top of this, a thick layer of bright yellow crushed crumbs covers most of the surface, with a small part showing the dark layer beneath. A pale gray spoon rests in the bowl, partially submerged in the mixture. Photo taken with an iphone --ar 2:3 --v 7

Garnishes

For a little extra flair, sprinkle some toasted desiccated coconut or a dusting of cocoa powder over the melted chocolate before setting. You can also add chopped nuts like macadamias or walnuts for a nutty twist that pairs wonderfully with the coconut and chocolate flavors.

Side Dishes

Chocolate Coconut Slice is delicious on its own, but it also pairs well with a scoop of vanilla ice cream or a dollop of whipped cream for a more indulgent dessert. A hot cup of coffee or a robust black tea complements the slice perfectly as a sweet snack or after-meal treat.

Make Ahead and Storage

Storing Leftovers

Store your Chocolate Coconut Slice in an airtight container in the fridge, where it will stay fresh for up to one week. This keeps the chocolate topping firm and the base lovely and crunchy.

Freezing

If you want to keep some for longer, cut the slice into bite-sized pieces and freeze them in a sealed container or freezer bag. They’re perfect to grab straight from the freezer when you need a quick, satisfying snack—just let them thaw for 10–15 minutes before enjoying.

Reheating

This slice is best enjoyed cold or at room temperature for maximum crunch and chocolatey texture, so reheating isn't necessary. If you’d like to soften the chocolate topping slightly, just leave the slice out for 10 minutes before serving.

Frequently Asked Questions:

Can I use unsalted butter instead of salted butter?

Yes! Unsalted butter works just fine. If you prefer, you can add a pinch of salt to enhance the flavors, but the slice will still be delicious using unsalted butter.

What if I don’t have self-raising flour?

No worries—substitute with all-purpose flour combined with 1 teaspoon baking powder and ½ teaspoon baking soda to get the same rising effect in the base.

Can I replace golden syrup with something else?

Absolutely! Honey, brown sugar, or molasses make excellent alternatives and will lend their own unique caramel-like flavor to the slice.

How do I keep the crushed cornflakes crunchy?

Make sure to add the crushed cornflakes last and mix gently to avoid them breaking down too much. Also, pressing the base firmly before baking helps maintain the crunch in every bite.

Final Thoughts

This Chocolate Coconut Slice Recipe is one of those classic Aussie treats that never fails to impress with its perfect balance of chewy coconut, crunchy base, and smooth milk chocolate topping. It’s simple to make, wonderfully nostalgic, and always a crowd-pleaser whether you're sharing at a family gathering or just treating yourself. I hope it brings a little bit of that Aussie sunshine and sweet delight into your kitchen and onto your plate!