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 sweet treat with the perfect balance of crunch and chocolatey goodness, this Chocolate Coconut Slice Recipe is just the ticket. It’s an Aussie classic that combines a buttery caramel base with coconut and cornflakes, topped off with a smooth milk chocolate layer – all without the fuss of complicated baking.

The image shows a stack of four rectangular bars on a white plate with a textured pattern. Each bar has two layers: a bottom layer of light brown, crumbly cake with a soft texture, and a top layer of smooth, glossy dark brown chocolate that evenly covers the top surface. The bars are stacked unevenly, with crumbs scattered around the plate, all placed on a white marbled surface. 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’ve made this Chocolate Coconut Slice more times than I can count, and it never fails to impress. Whether you’re packing lunchboxes or just craving a quick snack, it’s guaranteed to hit the spot every time.

Simple & Quick: Prep takes just 5 minutes before 25 minutes in the oven – perfect for busy days.
No Fancy Ingredients: You probably already have almost everything in your pantry.
Crunchy Yet Soft: The combination of cornflakes and coconut gives a satisfying texture contrast.
Great for Sharing: Makes 12 tasty triangles, ideal for parties or snack time.

Ingredients & Why They Work

Before you dive in, a quick word about the ingredients – each one plays a part in creating that classic Aussie crunchy slice we all love. I find that buying quality butter and fresh chocolate really lifts the flavor, and crushing the cornflakes just right makes all the difference in texture.

Flat lay of a small block of salted butter, a small white bowl filled with superfine caster sugar, a small white bowl with golden syrup, a small white bowl heaped with desiccated coconut, a small white bowl with self-raising flour, a small white bowl of cocoa powder, a small white bowl filled with crushed cornflakes, and a small white bowl containing broken pieces of milk chocolate, all arranged with 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: Adds richness and that subtle savory balance to sweet flavors.
Caster Sugar: Dissolves easily, giving a smooth caramel sweetness without graininess.
Golden Syrup: Brings a deep caramel flavor that butter alone can’t achieve.
Desiccated Coconut: Adds chewy texture and tropical flavor that complements the chocolate.
Crushed Cornflakes: The crunch hero here, providing lightness and texture.
Self-Raising Flour: Helps hold the base together while keeping it tender.
Cocoa Powder: Gives that subtle chocolate note in the base to balance the topping.
Cadbury Milk Chocolate: Melts into a creamy, sweet layer that’s pure indulgence.

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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 wonderful thing about this Chocolate Coconut Slice Recipe is how easy it is to tweak to your liking. Whether you want to swap an ingredient or try a different shape, there are so many ways to make this classic slice truly yours.

Variation: I once swapped the cornflakes for crushed rice bubbles for a lighter crunch, and it still delivered that satisfying texture with a slightly different twist. Perfect if you want a less dense base!
Diet-Friendly: For a dairy-free version, use a plant-based margarine and dairy-free chocolate. It still sets beautifully and tastes just as indulgent.
Flavor Twist: Adding a sprinkle of sea salt on top after spreading the chocolate really elevates the caramel and cocoa flavors. It’s a small touch but wow, so good!
Shape Play: While triangles are the traditional way to cut this slice, I love cutting mine into long bars for easy snacking or bite-size squares for lunchbox treats.

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

The image shows several triangular pieces of a chocolate dessert arranged closely together on a white marbled surface. Each piece has two visible layers: the bottom layer is a dense, textured dark brown cake, and the top layer is a smooth, glossy milk chocolate coating with a slightly wavy pattern. The edges of the pieces show some crumbs, adding texture to the scene. photo taken with an iphone --ar 2:3 --v 7

Step 1: Getting Ready – Preheat and Prep

First things first, preheat your oven to 180°C (360°F). This sets the perfect temperature to get the slice base just right. Meanwhile, gather all your ingredients so everything is within reach—trust me, it makes the process so much easier.

Step 2: Melting and Mixing the Base

Pop your butter into a large saucepan over low heat and gently melt until it's smooth and creamy. Then stir in the caster sugar, golden syrup, desiccated coconut, cocoa powder, and self-raising flour. Mix everything thoroughly so you get a rich, even batter – no flour lumps here! The smell at this point is pretty heavenly thanks to the golden syrup and cocoa melding together.

Step 3: Adding That Crunch

Next, fold the crushed cornflakes in gently but thoroughly—they add that signature crunch. Make sure they're evenly distributed but avoid overmixing so the cornflakes don’t turn too crumbly.

Step 4: Press and Bake

Pour your mixture into a 20 x 30 cm (8 x 12 inches) slice or glass baking tray. Use the back of a spoon or spatula to press firmly and flatten everything evenly, paying particular attention to the corners so they bake nicely. Pop the tray into your preheated oven and bake for 25 minutes until the base feels firm to the touch and edges start to pull away slightly. Your kitchen will start to smell irresistible around now!

Step 5: Cooling Down

Remove the tray from the oven and allow the slice base to cool completely. This step is key because the chocolate layer needs a firm, cool surface to spread smoothly on top. If you try to add chocolate on a warm base, it might melt and slip off.

Step 6: Melting the Chocolate Top

Break the Cadbury milk chocolate into pieces and place them in a microwave-safe bowl. Heat in short 30-second bursts, stirring between each interval until the chocolate is completely melted and glossy. This prevents burning and ensures a perfectly smooth topping.

Step 7: Spreading and Setting the Chocolate

Spread the melted chocolate evenly over the cooled slice base with a spatula. Once the whole surface is covered, pop the tray in the fridge for at least 15 minutes so the chocolate topping sets firmly.

Step 8: Slice, Serve, and Enjoy!

When the chocolate has hardened, remove the slice from the fridge and cut into your preferred shapes—triangles are classic, but squares or bars work just as well. Serve immediately or pack them up for snacks and lunchboxes. These treats keep well in an airtight container in the fridge for up to one week or can be frozen for longer storage.

Top Tip

Making the perfect Chocolate Coconut Slice recipe is easier when you keep a few tried-and-true tips in mind. These little nuggets of wisdom come from hands-on experience and will help you achieve that ideal crunchy base and silky-smooth chocolate top every time.

Crushing Cornflakes: I find using the back of a spoon to crush cornflakes in a bowl gives the best control, keeping nice chunky bits for crunch rather than over-powdering them.
Melting Chocolate: Melting the Cadbury milk chocolate in short 30-second bursts and stirring in between helps prevent overheating and keeps it silky for an even spread.
Pressing the Base Firmly: Don’t skimp on pressing the slice base firmly into all corners of your tray. It really helps the slice hold together and bake evenly.
Cooling Time Is Key: Allow the base to cool completely before adding the chocolate layer. Trying to spread chocolate on a warm base can cause melting and a messy finish.

How to Serve Chocolate Coconut Slice Recipe

A clear glass bowl is filled with a dark brown, smooth liquid base, topped with a thick layer of fine, bright yellow crumbs evenly spread inside. A woman's hand is holding a white spoon, gently stirring and mixing the yellow crumbs into the liquid, causing a small area where the crumbs look slightly mixed and lighter. The bowl sits on a white marbled surface, creating a clean and bright background. Photo taken with an iphone --ar 2:3 --v 7

Garnishes

To elevate your Chocolate Coconut Slice recipe, consider sprinkling a few toasted coconut flakes or a light dusting of cocoa powder on top once the chocolate has set. For a fun twist, you can drizzle some white chocolate over the dark milk chocolate topping or add a sprinkle of chopped nuts like macadamias or almonds for a little extra texture and flavor contrast.

Side Dishes

This slice pairs beautifully with a cup of freshly brewed coffee or a creamy chai latte, making it a perfect afternoon pick-me-up. For a more decadent treat, serve alongside a scoop of vanilla ice cream or a dollop of whipped cream. If you’re packing it for lunchboxes, a side of fresh fruit like berries or sliced banana complements the rich, chocolaty flavors nicely.

Make Ahead and Storage

Storing Leftovers

Store your Chocolate Coconut Slice in an airtight container in the fridge, where it will keep happily for up to one week. This helps maintain the crunch of the base and the firmness of the chocolate topping, ensuring every bite is just as satisfying as when freshly made.

Freezing

For longer storage, cut the slice into bite-size pieces and freeze them in an airtight container or freezer bag. They freeze beautifully and can be taken out individually whenever a sweet, crunchy snack is needed. Simply thaw at room temperature for about 10 minutes before serving.

Reheating

Since this is a no-bake chocolate-topped slice after the base is baked, reheating isn’t usually necessary or recommended due to the chocolate topping. Instead, enjoy it chilled right out of the fridge or after brief thawing when frozen.

Frequently Asked Questions:

Can I substitute the self-raising flour?

Yes! If you don’t have self-raising flour, simply use plain (all-purpose) flour and add 1 teaspoon of baking powder plus ½ teaspoon of baking soda to mimic the raising effect.

What can I use instead of golden syrup?

Golden syrup gives a lovely caramel flavor, but you can substitute with honey, brown sugar, or molasses to achieve a similar taste.

How should I crush the cornflakes to keep them crunchy?

Use the back of a spoon to gently crush the cornflakes in a bowl, or place them in a plastic bag and crush by hand. This keeps some larger pieces intact, which adds wonderful texture to the slice.

Can I use a different type of chocolate?

Absolutely! While the recipe uses Cadbury milk chocolate for its creamy texture and sweetness, you can experiment with dark or white chocolate depending on your taste preferences.

Final Thoughts

There’s something truly comforting about the classic Aussie Chocolate Coconut Slice recipe – a perfect harmony of crunchy, chewy, and chocolatey that hits all the right notes. Whether you’re sharing it with friends over afternoon tea or packing it in a lunchbox for a sweet surprise, this slice never fails to delight. I hope these tips and ideas inspire you to make this slice your own and enjoy every delicious bite!