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’re after a nostalgic treat that’s both crunchy and chocolaty, this Chocolate Coconut Slice Recipe is a total winner. It combines a buttery base, toasted coconut, and a glossy milk chocolate top—perfect for whenever you need a quick, delicious pick-me-up.

A stack of four rectangular dessert bars is shown on a white plate with subtle ridges, placed on a white marbled surface. Each bar has two layers: a thicker, rough-textured brown base layer that looks crumbly, and a smooth, thinner top layer of milk chocolate brown color. The bars are stacked unevenly, with crumbs scattered on the plate around them. The top layer has a slightly wavy 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 can’t get over how simple yet satisfying this Aussie Crunch – Chocolate Coconut Slice is. It’s one of those recipes that feels like an indulgence but is so straightforward to make, it quickly becomes a fave go-to for snacks or lunchboxes.

Quick and Easy: You’ll have the slice base ready in just 5 minutes plus a short bake time.
Perfect Texture: Crunchy cornflakes meet chewy coconut and silky chocolate for a delightful bite.
Family Friendly: Kids love these—ideal for school lunchboxes or after-school treats.
Great Make-Ahead: Store in the fridge or freeze bite-sized pieces, so you’re always set for snack time.

Ingredients & Why They Work

Before you get started, a quick tip: grab good-quality salted butter and fresh cornflakes for that perfect crunch and flavor. Here’s what you’ll need for the base and the top—all straightforward pantry staples with a few little touches to make this slice truly special.

Flat lay of a solid block of salted butter, a small white ceramic bowl of superfine white caster sugar, a small white ceramic bowl filled with golden syrup, a small white ceramic bowl heaped with fresh desiccated coconut, a small white ceramic bowl of crushed golden cornflakes, a small white ceramic bowl heaped with self-raising flour, a small white ceramic bowl with rich cocoa powder, and a simple bar of milk chocolate placed whole, arranged in perfect symmetry and natural 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

Salted Butter: Adds richness and helps bind the slice base with a perfect buttery flavor.
Caster Sugar: Dissolves easily, giving just the right sweetness without graininess.
Golden Syrup: Brings a delicious caramelized note that deepens the flavor of the base.
Desiccated Coconut: Gives a chewy texture and tropical aroma that pairs beautifully with chocolate.
Crushed Cornflakes: Provides that iconic Aussie crunch and lightness to the base.
Self Raising Flour: Helps the slice hold together with a gentle lift—if you don’t have any, you can easily substitute with flour plus baking powder and soda.
Cocoa Powder: Gives the slice a subtle chocolate warmth without overpowering it.
Cadbury Milk Chocolate Block: Melts into a smooth, glossy topping that’s irresistible and kid-approved.

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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 easily it adapts to your personal taste and pantry staples. Don’t be afraid to get creative and tailor it to what you love or have on hand!

Variation: I’ve tried swapping the cornflakes with crushed rice bubbles for a lighter crunch, and it still turned out deliciously crisp and satisfying. It’s a perfect variation when you want a slightly different texture but the same rich, chocolatey-coconut flavor.
Dairy-Free Version: Use coconut oil or dairy-free margarine in place of butter and choose a dairy-free chocolate block. You’ll still get that fantastic caramelized texture and indulgence.
Nutty Twist: Adding a handful of chopped macadamias or pecans to the base mixture gives an extra layer of flavor and crunch—I highly recommend it if you enjoy nutty desserts.
Sweeter or Less Sweet: Feel free to adjust the sugar and golden syrup quantities slightly depending on your sweet tooth. Honey can also lend a lovely natural sweetness with a floral aroma.
Seasonal Flair: Sprinkle some shredded dried mango or chopped crystallized ginger into the base for a tropical or spicy lift.

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

The image shows several triangular pieces of a chocolate dessert arranged on parchment paper over a white marbled surface. Each piece has two clear layers: a thick, textured brown base layer with a crumbly appearance and a smooth, glossy, light brown chocolate topping that has slight waves and a few small bubbles. The pieces are neatly cut with clean edges, and a few crumbs are scattered around the triangles. Photo taken with an iphone --ar 2:3 --v 7

Step 1: Melt and Mix the Base Ingredients

Start by preheating your oven to 180°C (360°F)—this gets everything ready for baking your slice base. Then, pop a large saucepan on low heat and gently melt the 200 g salted butter. Once melted, add the ½ cup caster sugar, 2 tablespoon golden syrup, 1 cup desiccated coconut, 1.5 tablespoon cocoa powder, and 1 cup self raising flour. Stir everything together thoroughly until it forms a smooth, combined mixture. Finally, fold in the crushed cornflakes (around 3 cups), being gentle to keep the delicious crunch intact.

Step 2: Press Into Your Baking Tray

Pour your mixture into a 20 x 30 cm (8 x 12 inch) slice or glass baking tray. Use the back of a spoon or spatula to press the mixture down firmly and evenly—make sure you reach the corners for an even bake and great shape. This step is crucial to get that biscuit-like crunch once baked.

Step 3: Bake the Base

Place your tray in the preheated oven and bake for 25 minutes. You’re looking for a base that’s set and firm to the touch, with the edges just starting to color slightly. The rich, caramelized aroma is a good sign your slice is almost ready!

Step 4: Cool Completely Before Chocolate

Once the slice base comes out of the oven, let it cool completely in the tray. This helps the base firm up so the chocolate topping doesn’t melt or sink in when applied. Patience here is key for a neat finish!

Step 5: Melt and Spread the Chocolate

Break the 180 g block of Cadbury milk chocolate into a microwave-safe bowl. Melt in 30 second bursts, stirring well between each, until smooth and glossy with no lumps. Then, spread this luscious chocolate evenly over the cooled slice base with a spatula, covering every corner.

Step 6: Chill and Slice

Pop the tray into the fridge and chill for at least 15 minutes. This allows the chocolate topping to set firmly, creating that irresistible snap when you cut into your slice. Once set, slice into 12 triangles—or your preferred shape—and enjoy immediately or pack for a delicious snack or lunchbox treat.

Top Tip

Mastering this Chocolate Coconut Slice Recipe is all about texture and timing. Here are some tips from my own kitchen experiments to help you get that perfect crunchy base and a glossy chocolate top every time.

Pressing the Base Firmly: I found that using the back of a spoon to firmly press the mixture into every corner of the tray makes a huge difference. It ensures the base bakes evenly and holds together nicely when slicing.
Gentle Folding of Cornflakes: When mixing in the crushed cornflakes, folding gently preserves their crunchiness. Overmixing can make the base soggy, which we definitely want to avoid.
Microwaving Chocolate in Intervals: Melting the milk chocolate in 30-second bursts with stirring in between helps prevent overheating or burning, giving you a beautifully smooth topping.
Cooling Before Chocolate Layer: Allowing the base to cool completely before spreading chocolate keeps the topping from melting or sliding off, making slicing cleaner and easier.

How to Serve Chocolate Coconut Slice Recipe

A clear glass bowl containing two visible layers: the bottom layer is a smooth dark brown mixture, possibly chocolate or syrupy, while the top layer is a bright yellow crumbly texture, spread evenly. A woman’s hand holds a light blue spatula, mixing or spreading the yellow crumbs into the brown layer. The bowl sits on a white marbled surface. photo taken with an iphone --ar 2:3 --v 7

Garnishes

You can elevate this classic slice by sprinkling toasted desiccated coconut or finely chopped roasted nuts on the chocolate after spreading it but before it sets. A light dusting of cocoa powder or a drizzle of white chocolate adds a pretty contrast. For a festive touch, some edible gold dust or tiny chocolate curls work like a charm.

Side Dishes

This slice pairs beautifully with a steaming cup of tea or coffee for an afternoon indulgence. For a dessert spread, consider serving alongside fresh berries or a dollop of whipped cream to add freshness and balance the richness of the chocolate and coconut layers.

Make Ahead and Storage

Storing Leftovers

Once made, store your Chocolate Coconut Slice in an airtight container in the fridge. This will keep it fresh for up to one week, maintaining the perfect chewy crunch and chocolate topping texture.

Freezing

If you want to keep them longer or prepare in advance, slice the slice into bite-sized pieces and freeze them in a sealed container or freezer bag. They freeze beautifully and make for convenient snacks whenever the craving hits—just pull them out and enjoy.

Reheating

There’s no need to reheat your slice—it's delicious cold straight from the fridge or thawed from frozen. If you prefer it softer, leave it at room temperature for 10–15 minutes before serving to bring out the buttery flavors.

Frequently Asked Questions:

Can I use unsalted butter instead of salted butter?

Yes, you can substitute salted butter with unsalted butter or margarine. Just keep in mind that salted butter adds a touch of saltiness that balances the sweetness perfectly, so you might want to add a small pinch of salt if using unsalted.

What if I don’t have self raising flour?

No worries! You can use all-purpose flour combined with 1 teaspoon of baking powder and ½ teaspoon of baking soda to substitute self raising flour in this recipe.

Can I replace the cornflakes with something else?

Absolutely! Crushed rice bubbles or weetbix work wonderfully as alternatives and will still give you that lovely crunchy texture we want in this slice.

How do I make sure the chocolate topping sets firmly?

Make sure the slice base is completely cooled before spreading the melted chocolate. Then chilling the slice in the fridge for at least 15 minutes will help the chocolate set firmly and create that satisfying snap when you cut it.

Final Thoughts

This Chocolate Coconut Slice Recipe is one of my go-to treats whenever I want a fuss-free, nostalgic dessert that hits all the right notes—crunchy, buttery, chocolatey, and with that nostalgic Aussie twist. It’s perfect for sharing with friends, packing in lunchboxes, or simply enjoying with a cuppa on a quiet afternoon. I hope you get as much joy from baking and eating it as I do every time!