No-Bake Chocolate Biscuit Cake. A chilled sliceable chocolate-and-digestive-biscuit cake with crunchy cross-sections. The formula and timing below are working estimates for a future kitchen trial, not a claim that a batch has been made.
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A fridge cake with visible crunch
Broken digestive biscuits make the pale mosaic in this dark chocolate loaf. It is assembled and chilled, not baked; the few minutes at the stove only melt the coating.

The ratio is a new working proposal. Biscuit brand and piece size affect whether ten neat slices hold together.
Keep the biscuit pieces varied
A mixture of larger bites and small crumbs fills gaps while leaving a recognizable cross-section. Fully pulverized biscuits would make a different dense base.
Check the ingredient label for wheat, milk and other allergens. The cake has no egg in its measured formula, but packaged chocolate and biscuits require their own review.
Ingredients for 10 slices
| Ingredient | Amount | Use |
|---|---|---|
| Plain digestive biscuits, roughly broken | 8 ounces | Keep a mix of small and large pieces. |
| Semisweet chocolate, chopped | 10 ounces | Base. |
| Unsalted butter | 5 tablespoons | Melt with chocolate. |
| Golden syrup | 3 tablespoons | Binds the crumb. |
| Unsweetened cocoa powder | 1 tablespoon | Boost chocolate note. |
| Fine salt | 1/8 teaspoon | Balance. |
Step-by-step method
- Line an 8-inch loaf pan with parchment, leaving overhang. Break 8 oz plain digestive biscuits by hand into irregular bites; do not grind to powder.
- Melt 10 oz semisweet chocolate, 5 tbsp butter and 3 tbsp golden syrup gently in a heatproof bowl over barely simmering water. Remove from heat and stir in 1 tbsp cocoa and 1/8 tsp salt.
- Fold biscuit pieces through the smooth chocolate mixture until coated. Press firmly and evenly into lined pan, covering any large air pockets without crushing all pieces.
- Cover and refrigerate at least four hours until fully firm. Lift out and cut ten small slices with a warmed dry knife; check set and clean cutting in a kitchen trial.
Melt chocolate gently
Keep the bowl above barely simmering water and dry. Add butter and golden syrup to smooth the mixture before cocoa and salt are stirred in.
Overheating can make chocolate seize or turn oily. Note its temperature and texture if the coating fails to envelop the biscuit pieces.
Press and chill
Parchment overhang helps lift a firm loaf cleanly. Press enough to eliminate big cavities, but not so hard that the biscuits all become dust.
Allow at least four hours in the refrigerator; this is not a twenty-minute ready dessert. Cut only once the center has set.
Small slices and storage
Ten small slices reflect the rich chocolate proportion. Keep the loaf covered and chilled, and check how long its biscuit crunch persists in a trial.
Do not substitute fresh cream or a soft ganache without revising the storage instructions and ingredient ratios.
Biscuit-cake questions
Does it go in the oven?
No; only the chocolate mixture is gently melted, then the loaf chills.
Can I use finely ground crumbs?
That loses the intended biscuit mosaic and may change the set.
How do I get clean slices?
Chill until firm and use a warmed, dry knife.
Further reading and related Chefly recipes: Dassana's Veg Recipes biscuit cake. These are relevant references and other dishes, not evidence that this proposed formula was tested.
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No-Bake Chocolate Biscuit Cake. Category: No-Bake Desserts. 10 slices. Prep approximately 20 minutes; cooking approximately 5 minutes; additional cooling/chilling approximately 240 minutes; total approximately 265 minutes excluding preheat. Not kitchen-tested; nutrition not calculated.
Ingredients: 8 ounces Plain digestive biscuits, roughly broken; 10 ounces Semisweet chocolate, chopped; 5 tablespoons Unsalted butter; 3 tablespoons Golden syrup; 1 tablespoon Unsweetened cocoa powder; 1/8 teaspoon Fine salt.
Instructions: Line an 8-inch loaf pan with parchment, leaving overhang. Break 8 oz plain digestive biscuits by hand into irregular bites; do not grind to powder. Melt 10 oz semisweet chocolate, 5 tbsp butter and 3 tbsp golden syrup gently in a heatproof bowl over barely simmering water. Remove from heat and stir in 1 tbsp cocoa and 1/8 tsp salt. Fold biscuit pieces through the smooth chocolate mixture until coated. Press firmly and evenly into lined pan, covering any large air pockets without crushing all pieces. Cover and refrigerate at least four hours until fully firm. Lift out and cut ten small slices with a warmed dry knife; check set and clean cutting in a kitchen trial.
Allergens: Wheat (biscuits); Milk; Check chocolate and biscuit labels. Review packaged ingredients and cross-contact before serving.
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No-Bake Chocolate Biscuit Cake
- Total Time: 265 minutes
- Yield: 10 servings 1x
Description
Ten small slices of chilled chocolate biscuit cake.
Ingredients
- 8 ounces Plain digestive biscuits, roughly broken
- 10 ounces Semisweet chocolate, chopped
- 5 tablespoons Unsalted butter
- 3 tablespoons Golden syrup
- 1 tablespoon Unsweetened cocoa powder
- 1/8 teaspoon Fine salt
Instructions
- Line an 8-inch loaf pan with parchment, leaving overhang. Break 8 oz plain digestive biscuits by hand into irregular bites; do not grind to powder.
- Melt 10 oz semisweet chocolate, 5 tbsp butter and 3 tbsp golden syrup gently in a heatproof bowl over barely simmering water. Remove from heat and stir in 1 tbsp cocoa and 1/8 tsp salt.
- Fold biscuit pieces through the smooth chocolate mixture until coated. Press firmly and evenly into lined pan, covering any large air pockets without crushing all pieces.
- Cover and refrigerate at least four hours until fully firm. Lift out and cut ten small slices with a warmed dry knife; check set and clean cutting in a kitchen trial.
Notes
Recipe-development draft; not kitchen-tested. Timing and yield are estimates. Nutrition has not been calculated.
Additional chilling, resting or cooling time: 240 minutes, included in the total.
Untested estimate: five-minute gentle chocolate melt, at least four-hour chill; no oven baking.
- Prep Time: 20 minutes
- Chilling, resting or cooling: 240 minutes
- Cook Time: 5 minutes
- Category: No-Bake Desserts
Nutrition
- Serving Size: One small slice
