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- 225 g (8oz butter (or olive spread)
- 3 Tbsp. golden syrup
- 50 g (2oz) cocoa, sifted
- 300 g packet digestive biscuits, crushed
- 400 g (14oz) Bournville chocolate, broken into squares
- Step 1
Put the butter (or olive spread), golden syrup and cocoa in a bowl. Melt in a 900W microwave on HIGH for 20sec or until melted (or melt in a pan on a very low heat). Mix everything together.
- Step 2
Remove the mixture from the heat and stir in the crushed biscuits. Mix together well until thoroughly coated in the cocoa mixture, crushing down any large pieces of digestive biscuit as you do so.
- Step 3
Spoon the mixture into a greased 26x16.5cm (10x6½in) rectangular tin. Cool, cover and chill for 30min.
- Step 4
Put the chocolate in a bowl and melt in a 900W microwave on High for 1min 40sec or over a pan of simmering water. Stir once, pour the chocolate over the biscuit base, then put the tin in the fridge for 30min or until the topping has set. Cut in half lengthways, then cut each section into 10 slices.
Try these other great chocolate slice recipes:
Chocolate cherry bakewell slices
Wicked chocolate and berry slice
Per Serving:
- Calories: 280
- Total carbs: 26 g
- Total fat: 18 g

The GH Kitchen Team are Good Housekeeping’s resident recipe developers and all-round food obsessives. GH Kitchen Director Sarah Akhurst is our resident hosting pro and loves nothing more than putting on a foodie feast for friends. Our GH Kitchen Manager Linzi Pucino is our very own Italian food expert (originally hailing from the North East of Scotland!) and can be found working her way through midweek recipes that cover all bases, from haggis to ragu! Our Kitchen Editor Nadine Brown loves digging into the stories behind her favourite foods and enjoys applying her eclectic tastes to more modern, flavour-forward recipes - just don't give her too much chilli! Our Junior Food Content Produce Frankie Prichard combines a love of beautiful presentation and flavour-led, seasonal cooking in her recipe development, along with a passion for bringing people together through food. With a wealth of professional kitchen experience between them, they’re dedicated to ensuring every Good Housekeeping recipe is the best it can be, so you can trust they’ll work every single time
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