This crunchy, rich Mary Berry Fridge Cake is made with crushed digestive biscuits, melted chocolate, and golden syrup, and is ready in just over two hours. The thick chocolate sets into a firm slice that snaps perfectly as the knife goes through, revealing a mosaic of biscuit pieces. I love how simple it is to prepare without ever turning on the oven.
Why This Classic Works
I used to find fridge cakes either too crumbly or too hard to slice cleanly. This ratio of chocolate to butter and golden syrup keeps the mixture sliceable but firm.
The contrast between sweet milk chocolate and slightly bitter dark chocolate prevents the cake from becoming overly sweet. It reminds me of traditional bakery treats but takes minimal effort.
Mary Berry Fridge Cake Ingredients
- 250g digestive biscuits
- 150g dark chocolate, chopped
- 150g milk chocolate, chopped
- 100g unsalted butter
- 3 tbsp golden syrup
- 75g raisins

How To Make Mary Berry Fridge Cake
- Prep the tin: Line an 8-inch square tin with baking parchment, leaving an overhang.
- Crush the biscuits: Place the biscuits in a plastic bag and crush them with a rolling pin until you have a mix of crumbs and chunks.
- Melt the wet ingredients: Gently melt the dark chocolate, milk chocolate, butter, and golden syrup in a heatproof bowl over a pan of simmering water.
- Combine and press: Stir the crushed biscuits and raisins into the chocolate mixture until coated, then press firmly into the lined tin.
- Chill to set: Place the tin in the fridge for at least 2 hours until completely firm before slicing.


Recipe Tips
- Leave some chunks: Do not crush the biscuits into fine sand, as you need texture for the cake to hold together.
- Line the tin well: The parchment paper overhang is crucial for lifting the solid cake out of the tin later.
- Warm the knife: Run your slicing knife under hot water and wipe it dry to get clean, professional cuts.
What To Serve With Fridge Cake
Serve a thick square alongside a hot cup of English breakfast tea or black coffee. The bitterness of the coffee cuts right through the rich chocolate and sweet golden syrup.

How To Store
Keep the sliced cake in an airtight container in the fridge for up to a week. You can also freeze the slices between layers of parchment paper for up to three months.
FAQs
Can I use different biscuits? Yes, Rich Tea or graham crackers work well if you do not have digestives.
Why did my chocolate seize? Ensure no water droplets touch the chocolate while melting over the bain-marie.
Can I add nuts or marshmallows? Absolutely, swap the raisins for an equal weight of chopped walnuts or mini marshmallows.
Nutrition
- Calories: 240 kcal
- Total Fat: 14g
- Saturated Fat: 8g
- Cholesterol: 15mg
- Sodium: 90mg
- Total Carbohydrate: 26g
- Protein: 3g
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Mary Berry Fridge Cake
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minutesMary Berry Fridge Cake combines crunchy digestive biscuits, rich melted chocolate, and chewy raisins into a no-bake treat ready in two hours. This effortless classic is a simple slice-and-serve dessert that comes together quickly for weekend gatherings or afternoon tea.
Ingredients
250g digestive biscuits
150g dark chocolate, chopped
150g milk chocolate, chopped
100g unsalted butter
3 tbsp golden syrup
75g raisins
Directions
- Prep the tin: Line an 8-inch square tin with baking parchment, leaving an overhang.
- Crush the biscuits: Place the biscuits in a plastic bag and crush them with a rolling pin until you have a mix of crumbs and chunks.
- Melt the wet ingredients: Gently melt the dark chocolate, milk chocolate, butter, and golden syrup in a heatproof bowl over a pan of simmering water.
- Combine and press: Stir the crushed biscuits and raisins into the chocolate mixture until coated, then press firmly into the lined tin.
- Chill to set: Place the tin in the fridge for at least 2 hours until completely firm before slicing.
