Name: Chocolate Coconut Slice Recipe
Prep time: 25 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’re after a sweet snack that’s easy to make, absolutely addictive, and packed with a perfect crunch, this Chocolate Coconut Slice Recipe will quickly become your go-to. It’s an Aussie classic that brings together buttery goodness, coconutty texture, and rich milk chocolate in every bite.

The image shows a stack of four square dessert bars placed on a white plate with a subtle ridged texture, set against a white marbled background. Each bar has two visible layers: the bottom layer is thick, brown, and crumbly with a coarse texture, while the top layer is a smooth, glossy chocolate coating with a slightly wavy surface. There are small crumbs scattered on the plate near the bars, adding a natural touch to the setup. 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 absolutely adore this slice because it’s fuss-free, super quick to whip up, and delivers the kind of crunchy-soft combo that everyone loves. Whether it’s afternoon tea, a lunchbox treat, or a cheeky dessert, this chocolate coconut slice knocks it out of the park every time.

Simple Ingredients: You only need pantry staples that are easy to find and budget-friendly.
Texture Heaven: Buttery base with crushed cornflakes adds a perfect crunch balanced by smooth chocolate.
Kid-Approved: This slice is a lunchbox star loved by little ones and adults alike.
Quick & Easy: Prep takes just 10 minutes, with a straightforward bake and set time.

Ingredients & Why They Work

Here’s the rundown on the ingredients — they come together brilliantly to give you that nostalgic Aussie crunch layered with chocolate. When you shop, look for quality butter and chocolate as these really make the slice shine. Also, don’t skip the golden syrup — it adds a caramelized depth that’s hard to beat.

Flat lay of a small block of salted butter, a small white ceramic bowl of caster sugar, a small white ceramic bowl of golden syrup, a small white ceramic bowl heaped with desiccated coconut, a small white ceramic bowl with self-raising flour, a small white ceramic bowl of cocoa powder, a small white ceramic bowl filled with crushed cornflakes, and a small white ceramic bowl holding broken pieces of milk chocolate placed neatly 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: Brings richness and helps bind everything with a lovely buttery flavor.
Caster Sugar: Dissolves quickly to sweeten the base without grittiness.
Golden Syrup: Adds a beautiful caramel note and sticky texture to hold it all together.
Desiccated Coconut: Provides chewy, tropical undertones and outlines the slice’s signature flavor.
Crushed Cornflakes: The key to that amazing crunchy texture in every bite.
Self Raising Flour: Gives just enough structure to support the slice without making it heavy.
Cocoa Powder: Infuses a subtle chocolate depth to complement the milk chocolate topping perfectly.
Cadbury Milk Chocolate: Melts smooth to create the luscious chocolate topping everyone dreams about.

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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 tailor to your tastes. Whether you want to add a nutty crunch, make it a bit healthier, or switch up the chocolate, there’s plenty of ways to make this slice truly your own.

Nutty Twist: I love sprinkling chopped macadamia nuts or walnuts into the base mixture for an extra texture and flavour boost. It gives the slice a lovely crunch and a subtle nuttiness that works perfectly with the coconut and chocolate.
Dark Chocolate Upgrade: Swap the Cadbury milk chocolate block with a rich 70% dark chocolate for a less sweet, more intense chocolate topping. This variation is a favourite when I want a slightly more sophisticated slice.
Gluten-Free Version: Use gluten-free self-raising flour or substitute the flour with almond meal and a bit of gluten-free baking powder. It’s a great option for anyone avoiding gluten but still craving this Aussie classic.
Extra Coconut Flavor: Adding a tablespoon of coconut oil to the melted base mixture or sprinkling toasted coconut flakes on top before the chocolate sets really amps up the coconut taste for coconut lovers like me!
Seasonal Spin: For a festive touch, mix in some dried cranberries or chopped dates into the base for bursts of chewy sweetness that contrast beautifully with the crunch.

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

The image shows several triangular chocolate bars neatly arranged on a white marbled surface. Each bar has two visible layers: a thicker, textured, dark brown base layer with a crumbly look, topped by a smooth, glossy milk chocolate layer that covers the top completely. The top layer shows slight swirls and small air bubbles, adding texture and shine. Some crumbs are scattered lightly around the edges of the bars, emphasizing their soft texture. photo taken with an iphone --ar 2:3 --v 7

Step 1: Preheat and Prep Your Equipment

First things first, get your oven preheated to 180 degrees Celsius (360 degrees Fahrenheit). It’s important to have the oven at the right temperature so the slice bakes evenly. Grab a 20 x 30 cm (8 x 12 inches) baking tray and give it a quick lining with baking paper or a light grease to stop the slice from sticking.

Step 2: Melt and Mix the Base

On low heat, melt 200g of salted butter gently in a large saucepan. Once melted, stir in ½ cup caster sugar (100g), 2 tablespoons golden syrup, 1 cup desiccated coconut (80g), 1.5 tablespoons cocoa powder, and 1 cup self-raising flour (150g). Mix until everything is well combined, then fold in 3 cups crushed cornflakes (90g) for that signature crunch. Make sure the cornflakes are evenly coated but keep them from getting too crushed – that texture is key!

Step 3: Press and Bake

Transfer your base mixture to the prepared baking tray. Using the back of a spoon or spatula, press it down firmly and evenly, paying close attention to the corners so the slice bakes consistently. Pop it in the preheated oven for about 25 minutes. You’re looking for a set base that’s slightly firm to the touch but not overly hard.

Step 4: Cool Completely Before Chocolate

When your slice is out of the oven, be patient and let it cool completely at room temperature. This is an important step – if the base is still warm, the chocolate topping won’t set properly and could get messy. A cool slice means a smooth, firm chocolate finish.

Step 5: Melt and Spread the Chocolate

Break the 180g block of Cadbury milk chocolate into pieces and melt it gently in the microwave. Heat in 30-second bursts, stirring after each interval until silky smooth. Pour the melted chocolate over the cooled base, spreading evenly with a spatula. This layer is what makes the slice so irresistible!

Step 6: Chill and Slice

Place the tray in the fridge for at least 15 minutes to allow the chocolate topping to set firmly. Once set, remove from the fridge and slice the slice into your preferred shape – traditional triangles, squares, or long bars all work beautifully. Serve immediately or pack them up as a delicious snack or lunchbox treat.

Top Tip

These tips will help you master the Chocolate Coconut Slice Recipe and ensure every batch turns out just right — crunchy, chocolatey, and simply irresistible.

Perfectly Crushed Cornflakes: I’ve found that crushing cornflakes by hand inside a resealable bag gives the best crunch without turning them into dust. It keeps the texture delightful in every bite.
Firm Pressing: Pressing the base mixture firmly into the tray, especially in the corners, prevents crumbling and helps the slice hold together beautifully after baking.
Chocolate Melting: Melting the Cadbury milk chocolate in 30-second intervals and stirring in between avoids burning and results in a silky smooth topping every time.
Cooling Properly: Patience is key! Let the slice cool completely before adding the chocolate topper so the slice stays firm and the chocolate sets evenly.

How to Serve Chocolate Coconut Slice Recipe

A clear glass bowl sits on a white marbled surface, filled with layers of ingredients. The bottom layer is dark brown and smooth, likely a chocolate or syrup base. On top of that, a thick layer of golden yellow crumbs or crushed chips covers most of the surface, except for a small section where white powder or sugar peeks through. A pale gray spoon with a rounded tip is stirring or spreading the yellow layer gently. photo taken with an iphone --ar 2:3 --v 7

Garnishes

To add a special touch, sprinkle some extra desiccated coconut or finely chopped toasted nuts over the chocolate before it sets. For a festive twist, add a few mini chocolate chips or a light dusting of cocoa powder on top after setting.

Side Dishes

This Aussie Crunch treat pairs wonderfully with a cup of strong black coffee or a creamy hot chocolate. For a refreshing contrast, serve alongside a bowl of fresh berries or a simple fruit salad to balance the rich chocolate and buttery base.

Make Ahead and Storage

Storing Leftovers

Keep your Chocolate Coconut Slice in an airtight container in the fridge for up to one week. This helps maintain the crunch of the base and keeps the chocolate topping beautifully firm and shiny.

Freezing

For longer storage, cut the slice into bite-sized pieces and freeze them in a sealed container or freezer bag. When you need a quick snack, just pop a piece out and let it thaw at room temperature for 10–15 minutes before enjoying.

Reheating

This slice is best enjoyed chilled or at room temperature. If you'd like to warm it slightly, place it in a low oven (around 120°C / 250°F) for just a couple of minutes – but be gentle, so the chocolate topping doesn't melt too much.

Frequently Asked Questions:

Can I use unsalted butter instead of salted butter?

Yes, you can. I recommend adding a pinch of salt if you use unsalted butter to enhance the flavors and balance the sweetness perfectly.

What can I substitute for golden syrup?

If you don’t have golden syrup, try honey, brown sugar, or molasses. Each option will add a slightly different caramel-like sweetness, but all work well in this recipe.

How do I crush cornflakes without a blender?

Place the cornflakes in a resealable plastic bag and crush them gently using the back of a spoon or rolling pin. This gives the perfect crunchy texture without pulverizing them.

Can I make this slice gluten-free?

To make a gluten-free version, substitute the self-raising flour with a gluten-free self-raising blend and ensure your cornflakes are gluten-free as well. The texture will be slightly different but still delicious!

Final Thoughts

Making this Chocolate Coconut Slice Recipe always feels like a little Aussie celebration in my kitchen — simple, satisfying, and packed with comforting flavors. Whether you slice it up for afternoon tea, pack it in lunchboxes, or share it at a casual get-together, it never fails to bring smiles and “oohs” from everyone lucky enough to try it. Give it a go and enjoy this crunchy, chocolaty treat that’s truly a taste of home.