Indulge in the rich, deep flavors of this No-Bake Nutty Treacle Slice, a delightful treat that combines the chewiness of a biscuit base with the sweet, molasses-like notes of treacle and the satisfying crunch of mixed nuts. This easy-to-make slice requires no oven time, making it perfect for quick preparations and busy schedules.
Why You’ll Love This Recipe
- No-Bake Convenience: Enjoy a delicious homemade treat without the need to turn on the oven.
- Rich Flavor: The treacle imparts a deep, caramel-like sweetness that pairs beautifully with the nuttiness.
- Versatile: Perfect as a snack, dessert, or a sweet addition to your afternoon tea.
- Customizable: Easily adapt the recipe to include your favorite nuts or add-ins.
Ingredients
(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)
- Digestive biscuits (or a similar plain biscuit)
- Unsalted butter
- Sweetened condensed milk
- Treacle (or molasses)
- Mixed nuts (such as almonds, walnuts, and pecans), roughly chopped
- Dark chocolate
- Coconut oil
- A pinch of salt
Directions

- Prepare the Base:
- Line a square or rectangular baking tin with parchment paper.
- In a food processor, crush the digestive biscuits into fine crumbs.
- In a saucepan over low heat, melt the unsalted butter. Add the treacle and sweetened condensed milk, stirring until well combined.
- Remove from heat and stir in the biscuit crumbs and a pinch of salt until the mixture is evenly combined.
- Fold in the chopped mixed nuts, reserving a handful for topping.
- Press the mixture firmly into the prepared baking tin, ensuring an even layer.
- Add the Chocolate Topping:
- In a heatproof bowl, combine the dark chocolate and coconut oil. Melt together over a saucepan of simmering water or in the microwave in short bursts, stirring until smooth.
- Pour the melted chocolate over the biscuit and nut base, spreading it evenly with a spatula.
- Sprinkle the reserved chopped nuts over the chocolate layer for added texture and visual appeal.
- Set and Serve:
- Refrigerate the slice for at least 2 hours, or until the chocolate has set firmly.
- Once set, use a sharp knife to cut the slice into squares or bars. For cleaner cuts, warm the knife slightly before slicing.
Servings and Timing
- Servings: Approximately 12 slices
- Prep Time: 20 minutes
- Chill Time: 2 hours
- Total Time: 2 hours 20 minutes
Variations
- Different Nuts: Substitute or add your favorite nuts such as hazelnuts, cashews, or macadamias.
- Dried Fruits: Incorporate chopped dried fruits like apricots, raisins, or cranberries for added sweetness and texture.
- Spiced Flavor: Add a pinch of cinnamon or mixed spice to the biscuit mixture for a warm, spiced note.
Storage/Reheating
- Storage: Store the slices in an airtight container in the refrigerator for up to one week.
- Freezing: These slices can be frozen for up to three months. Place parchment paper between layers to prevent sticking.
- Serving: Enjoy the slices chilled or at room temperature.
FAQs
Can I use golden syrup instead of treacle?
Yes, golden syrup can be used for a lighter, less intense flavor compared to treacle.
Is there a substitute for digestive biscuits?
Graham crackers or any plain, sweet biscuit can be used as an alternative.
Can I make this recipe nut-free?
Absolutely. Omit the nuts and consider adding seeds like sunflower or pumpkin seeds for a bit of crunch.
How do I prevent the chocolate layer from cracking when slicing?
Allow the slice to sit at room temperature for a few minutes before cutting, and use a warm knife for cleaner cuts.
Can I use milk chocolate instead of dark chocolate?
Yes, milk chocolate can be used for a sweeter topping.
What size baking tin should I use?
An 8×8 inch (20×20 cm) square tin works well for this recipe.
Is this recipe gluten-free?
To make it gluten-free, use gluten-free biscuits in place of digestive biscuits.
Can I add coconut to the base?
Certainly. Adding desiccated coconut can enhance the texture and flavor.
How long do these slices need to chill?
Chill for at least 2 hours, or until the chocolate is fully set.
Can I double the recipe?
Yes, double the ingredients and use a larger baking tin accordingly.
Conclusion
This No-Bake Nutty Treacle Slice offers a harmonious blend of sweet, chewy, and crunchy elements, making it a delightful treat for any occasion. Its ease of preparation and rich flavors are sure to make it a favorite in your repertoire of no-bake desserts.
PrintNo-Bake Nutty Treacle Slice
This No-Bake Nutty Treacle Slice is chewy, sweet, and packed with crunchy nuts and oats. The treacle gives it a rich, caramel-like flavor, while the no-bake method keeps it simple and fuss-free. A perfect afternoon snack or lunchbox treat with a nostalgic twist!
- Prep Time: 5 minutes
- Chill Time: 2 hours
- Cook Time: 10 minutes
- Total Time: 2 hours 15 minutes
- Yield: 12 slices 1x
- Category: Dessert, Snack
- Method: No-Bake
- Cuisine: British-Inspired
Ingredients
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1/2 cup (125g) unsalted butter
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1/3 cup (80ml) golden syrup or treacle
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1/4 cup (50g) brown sugar
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1/2 teaspoon vanilla extract
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1 1/2 cups (135g) rolled oats
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1/2 cup (40g) shredded coconut
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1/2 cup (75g) mixed chopped nuts (almonds, peanuts, walnuts, etc.)
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1/4 cup (40g) chopped dried fruit (like raisins or dates) – optional
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Pinch of salt
Instructions
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Line an 8×8 inch (20×20 cm) baking pan with parchment paper.
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In a medium saucepan over low heat, melt the butter, treacle (or golden syrup), and brown sugar together until smooth and bubbling slightly.
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Remove from heat and stir in vanilla extract.
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In a large bowl, mix oats, coconut, chopped nuts, dried fruit (if using), and a pinch of salt.
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Pour the warm treacle mixture over the dry ingredients and stir until well combined and coated.
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Press the mixture firmly into the prepared pan using a spatula or the back of a spoon.
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Chill in the fridge for at least 2 hours or until firm.
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Slice into bars or squares and store in an airtight container in the fridge.
Notes
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Treacle gives a deep, rich flavor. For a milder taste, use golden syrup or a blend of both.
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Swap the nuts for seeds to make it nut-free.
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You can drizzle melted dark chocolate over the top for an extra treat.