Name: Chewy Chocolate Slice Recipe
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: Australian
Ingredients: 125 g (4 oz) butter, melted; 1 cup (220 g / 8 oz) firmly packed brown sugar; 1 egg; 1 teaspoon vanilla essence; ½ cup plain flour; ¼ cup self-raising flour; 2 tablespoons cocoa powder; ½ cup desiccated coconut; 1 cup icing sugar; 2 tablespoons cocoa powder; 2 teaspoons butter; 1 tablespoon hot water (plus extra if needed); 1 tablespoon shredded coconut (for sprinkling)

Jump to Recipe·4 from 14 reviews

I absolutely love sharing this Chewy Chocolate Slice Recipe with friends because it's one of those treats that hits all the right notes for me: chewy, chocolatey, and just the perfect little indulgence whenever I need a sweet pick-me-up. The texture is wonderfully dense but still soft, with a rich chocolate flavor balanced by the lovely addition of coconut. Whenever I make this slice, it’s a guaranteed crowd-pleaser and such a fun dessert to whip up any time of year.

Why You'll Love This Chewy Chocolate Slice Recipe

What makes this Chewy Chocolate Slice Recipe stand out to me is the incredible balance of flavors and textures. The cocoa gives it that deep chocolate richness without becoming overpowering, and the coconut adds a light, tropical twist that keeps every bite interesting. I also adore how the icing on top isn’t overly sweet but totally complements the chewy base, giving it a smooth finish that I find absolutely irresistible.

Another reason I’m so passionate about this slice is how simple and approachable the recipe is. It doesn’t require any fancy ingredients or techniques, and yet it comes together effortlessly with just a few straightforward steps. Whether I’m baking for a family gathering or just treating myself during the week, I know this slice will always perform well. Plus, it’s perfect cut into a multitude of small servings, so it’s great for sharing or packing up for lunchboxes.

Ingredients You'll Need

A top-down view of baking ingredients arranged on a white marbled surface. There is a green plate on the left holding several soft yellow butter slices. Near it lies a brown egg. To the right, there are four small stone bowls: one with white baking powder, one with shredded white coconut, one with cocoa powder of dark brown color, and another with plain white flour. A glass measuring cup filled with white icing sugar is positioned at the lower right. A small copper measuring cup with a wooden handle contains water, placed on the left side. A small glass bottle of vanilla extract is near the center. The layout is clean and organized, showing a mix of soft, powdery, and liquid textures, all on a white marbled background photo taken with an iphone --ar 4:5 --v 7

The ingredients list might look minimal, but each one plays a crucial role in creating that chewy texture and rich flavor. From the mix of flours that give the slice its body, to the butter and brown sugar that keep it moist and caramelized, everything is thoughtfully chosen. Don’t overlook the coconut – it’s the secret ingredient that gives this slice real character and a subtle crunch.

Tip!

You’ll find all ingredient quantities in the recipe card below.

Butter: Melted butter adds richness and helps keep the slice wonderfully chewy.
Brown sugar: I love using brown sugar for its deep molasses flavor it lends here.
Egg: Binds everything together while adding moisture.
Vanilla essence: Adds clean, warm notes that enhance the chocolate.
Plain flour: Provides the base structure for the slice without making it tough.
Self-raising flour: Gives a slight lift so the slice doesn’t get too dense.
Cocoa powder: The heart of the chocolate flavor in both the base and icing.
Desiccated coconut: Adds texture and a hint of tropical flavor; you can mix shredded or desiccated as you prefer.
Icing sugar: For the smooth and slightly sweet chocolate icing on top.
Butter (for icing): Helps create a creamy and spreadable topping.
Hot water: Loosens the icing to the perfect consistency for spreading.

Directions

Step 1: Preheat your oven to 180C/360F (or 160C/320F if you have a fan-forced oven). This ensures the slice bakes evenly and gets that lovely texture I adore.

Step 2: Grease and line a 19x29cm slice pan, leaving about 2cm of lining over each side to make it easy to lift the baked slice out later.

Step 3: In a large bowl, combine the melted butter, brown sugar, egg, and vanilla essence. Stir these together until smooth and glossy — this mix forms the rich, moist foundation of the slice.

Step 4: Sift together the plain flour, self-raising flour, and cocoa powder, then gently fold these dry ingredients into the wet mixture. After that, stir in the desiccated coconut until everything is just combined.

Step 5: Spread the mixture evenly into your prepared pan, smoothing the top so it bakes evenly. Pop it into the oven and bake for 25 minutes, or until the slice is firm to the touch but still chewy inside.

Step 6: While the base is baking, prepare the icing. Combine the icing sugar, cocoa powder, softened butter, and hot water in a small bowl. You may need to add a little extra water to get a smooth, spreadable consistency that isn’t too runny.

Step 7: As soon as you remove the slice base from the oven, spread the chocolate icing evenly over the warm surface. This warm icing melts slightly into the slice, which I think makes it extra delicious.

Step 8: Sprinkle the top generously with shredded coconut for that extra texture and pretty finish.

Step 9: Allow the slice to cool completely in the pan before lifting it out using the paper lining. Once cool, cut into 30 small triangles — these bite-sized pieces are perfect for sharing!

Servings and Timing

This recipe yields about 30 small servings, which makes it perfect for parties or sharing with a crowd. Prep time is super quick — about 10 minutes to mix everything up. The bake time sits at 25 minutes, plus cooling time of around 15 to 20 minutes before slicing, so total time rounds out to about 35 minutes. This makes it easy to fit into even a busy day when you want something delicious and indulgent.

How to Serve This Chewy Chocolate Slice Recipe

A square chocolate dessert on a piece of parchment paper sits on a white marbled surface. The dessert has a dark, rich brown color and is sprinkled with a light dusting of white powdered sugar on top. Next to it, a shiny silver knife with a textured handle rests partially on the parchment paper. In the second image, the same chocolate dessert is divided into a grid of small diamond shapes with clean cuts, and it still stays on the parchment paper over the white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

When I serve this Chewy Chocolate Slice Recipe, I like to keep it simple to really let the flavors shine. It’s fantastic on its own with a cup of strong coffee or tea for an afternoon treat. If I’m serving it at a party, I often arrange the triangles on a pretty platter with fresh berries on the side — the tartness of berries is a perfect contrast to the rich chocolate and coconut.

I also love garnishing the top with a light dusting of cocoa powder or extra shredded coconut for a little visual pop. For a more decadent presentation, a small drizzle of melted dark chocolate over each slice lifts the flavor even more. If you want to get fancy, pairing this slice with a scoop of vanilla ice cream makes for a dreamy dessert.

For drink pairings, I highly recommend a chilled glass of milk or a creamy hot chocolate for kids and non-alcoholic fans. For adults, a dessert wine like a late-harvest port or a smooth coffee liqueur cocktail complements the chocolate beautifully. This slice really works for any occasion — be it a casual family dinner, a festive holiday gathering, or a special weekend treat — and I think it tastes best served at room temperature or slightly warmed to bring out the chewy, gooey textures.

Variations

I love experimenting with this Chewy Chocolate Slice Recipe to keep it fresh and exciting. For example, swapping out the plain flour for gluten-free plain flour works wonderfully if you or your guests need a gluten-free option. You can also try coconut oil instead of butter for a dairy-free twist that still keeps the slice moist and chewy.

If you want to go vegan, replacing the egg with a flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water) works well in this recipe, and vegan butter substitutes nicely in both the base and icing. For a flavor variation, I sometimes add a handful of chopped nuts or dark chocolate chips into the batter for extra texture and bursts of chocolatey goodness.

For a different cooking method, you could try baking this slice in a slightly smaller pan to create thicker bars, just adjusting the bake time accordingly, or even cooking it in muffin tins for individual portions. The possibilities are endless, and I encourage you to make this recipe your own by trying out these variations!

Storage and Reheating

Storing Leftovers

I like to store leftover Chewy Chocolate Slice in an airtight container at room temperature or in the fridge, depending on how warm your kitchen is. Wrapped well, these slices stay fresh and chewy for up to five days, although they rarely last that long in my house! Using a container with a tight seal helps prevent the icing from drying out and keeps the coconut topping fresh.

Freezing

This slice freezes beautifully. I recommend cutting it into individual triangles first, then wrapping each piece tightly in plastic wrap before placing them in a freezer-safe container or ziplock bag. This way, you can take out just how many slices you want. Frozen, they keep well for up to three months. To thaw, just leave them out at room temperature for an hour or so before serving.

Reheating

To get the best texture when reheating, I prefer to warm individual slices gently in a microwave for about 15 seconds or in a low oven for 5-7 minutes. This brings back that soft, chewy character and slightly melts the icing again. Avoid overheating, as that can dry the slice out or make the icing too runny. If you’ve frozen the slices, defrost fully before reheating for best results.

FAQs

Can I use only one type of flour for this recipe?

Yes, you can use just plain flour if you don’t have self-raising flour on hand, but I recommend adding a small pinch of baking powder to help the slice rise slightly and avoid a dense texture.

Is it possible to make this slice nut-free?

Absolutely! This recipe as written contains no nuts, but if you decide to add chocolate chips or other extras, just be sure to choose nut-free options. The coconut itself is safe for most people with nut allergies, but always check individual sensitivities.

Can I substitute the coconut for something else?

You can try replacing coconut with oats or chopped nuts for different textures, but the coconut really adds a unique flavor and chewiness that’s hard to replicate exactly.

How long does the icing stay fresh on top?

The icing is best enjoyed within a few days. To keep it fresh, store the slice in an airtight container and avoid refrigeration if possible, as the icing can harden and lose its soft spreadable quality in the fridge.

What type of cocoa powder works best?

I usually use natural unsweetened cocoa powder for a rich yet slightly tangy chocolate flavor that balances nicely with the sweetness of the sugar. Dutch-processed cocoa will give a smoother, milder taste if you prefer.

Conclusion

I genuinely hope you enjoy making and eating this Chewy Chocolate Slice Recipe as much as I do. It’s such a comforting, chocolaty slice that feels like a little celebration in every bite. Whether you’re baking it for family, sharing with friends, or just treating yourself, I promise it will bring smiles all around. Give it a try soon — I can’t wait for you to discover your new favorite slice!