Recipes

Quick & delicious chocolate biscuit slice

Starts at 60 Writers

Sep 10, 2025

Source: Getty Images.

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If you’re after a sweet treat that is absolutely delicious as well as a guaranteed crowd pleaser, you can’t go past this addictive chocolate biscuit slice! With the perfect mix of sweet crunchy filling and summery coconut topping – this recipe will be a hit with everyone from the kids to the adults.

Ingredients

125g butter, chopped
1/2 cup caster sugar
1 teaspoon vanilla essence
1 1/2 tablespoons cocoa powder
1 egg, lightly beaten
250g packet arrowroot biscuits, roughly chopped
1 tablespoon desiccated coconut
Icing
2 cups pure icing sugar
1/4 cup cocoa powder
40g butter, melted
2 tablespoons boiling water

Method

Grease and line 3cm-deep, 16.5cm x 26cm (base) slab pan with baking paper, allowing overhang at both long ends. Place butter, sugar, vanilla and cocoa in saucepan over medium-low heat.
Cook, stirring occasionally, for 3 to 4 minutes or until butter melts. Set aside for 5 minutes to cool.
Add egg to chocolate mixture and whisk to combine. Place saucepan over low heat. Cook, whisking constantly, for 10 minutes or until mixture is thick, glossy and smooth. Transfer to large bowl.
Add biscuits and stir to combine. Spoon into prepared pan. Smooth surface. Cover and refrigerate for 2 to 3 hours or until set.
Meanwhile, for icing, sift icing sugar and cocoa together into a bowl. Add butter and boiling water. Stir until smooth. Spread icing over slice. Sprinkle with coconut. Allow icing to set. Slice and serve.

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