Irresistible Chocolate Caramel Slices: The Ultimate Millionaire’s Shortbread Recipe
Indulge in the decadent delight of homemade Chocolate Caramel Slices, famously known as Millionaire’s Shortbread. This classic treat features a perfectly crunchy biscuit base, generously topped with a thick, irresistibly chewy caramel layer, and elegantly finished with a smooth, dark chocolate coating. It’s the ultimate afternoon tea snack that will captivate both kids and adults alike, making every bite a truly luxurious experience.
Why You’ll Adore This Chocolate Caramel Slice Recipe
These Chocolate Caramel Slices are more than just a dessert; they are a symphony of textures and flavors that will make your taste buds sing. Imagine a perfectly balanced blend of sweet, crunchy, gooey, and rich chocolate – a truly addictive combination. Often dubbed “Millionaire’s Shortbread” due to their luxurious taste, these bars are surprisingly simple to make at home.
The magic of these caramel slices lies in their three distinct layers, each contributing uniquely to the overall experience:
- A buttery and crumbly Biscuit Base that provides the perfect foundation.
- A luscious, thick, and chewy Caramel Layer, made rich and golden with condensed milk and brown sugar.
- A smooth, glossy Dark Chocolate Topping that adds a delightful snap and intense cocoa notes.
The first two layers, the biscuit base and the caramel, are baked to perfection and then chilled to set. Once firm, the melted dark chocolate is poured over, creating a beautiful, glossy finish. After just a little more time in the fridge, your decadent chocolate caramel slices are ready to be enjoyed. This straightforward process ensures a professional-looking and tasting treat with minimal fuss.
Key Ingredients for Perfect Caramel Slices
Crafting these heavenly Millionaire’s Shortbread bars requires a handful of common pantry staples. Each ingredient plays a crucial role in developing the signature flavor and texture of these beloved treats.
For the Crunchy Biscuit Base:
- Plain Flour: The structural backbone of our shortbread, ensuring a tender yet firm crumb.
- Brown Sugar: Adds a subtle molasses flavor and contributes to the golden hue of the base.
- Desiccated Coconut: Provides a delightful texture and a hint of tropical sweetness. This ingredient is optional but highly recommended for an authentic Aussie caramel slice experience.
- Melted Butter: Binds the dry ingredients together and creates that rich, buttery shortbread taste.
For the Chewy Caramel Layer:
- Sweetened Condensed Milk: The star of the caramel, providing the creamy base and rich sweetness.
- Brown Sugar: Deepens the caramel flavor and helps achieve that luscious, chewy texture without being overly sticky.
- Unsalted Butter: Adds richness and silkiness to the caramel, preventing it from becoming too hard.
- Sea Salt (optional): A pinch of sea salt enhances all the other flavors, creating a delicious salted caramel effect that perfectly balances the sweetness.
Many traditional caramel slice recipes call for Golden Syrup as a key sweetener. However, this particular recipe focuses on creating a sensational caramel layer without Golden Syrup, relying on the rich depth of brown sugar to achieve an equally delicious, deeply flavored, and wonderfully chewy caramel.
For the Glossy Dark Chocolate Layer:
- Dark Cooking Chocolate: Choose a good quality dark chocolate (around 50-70% cocoa solids) for a rich, slightly bitter counterpoint to the sweet caramel.
- Coconut Oil (or Butter): A small amount is crucial for achieving a smooth, glossy chocolate topping that melts beautifully in your mouth and prevents cracking when sliced.
- Full Cream Milk: Helps to thin the chocolate slightly, making it easier to spread evenly and ensuring a smooth finish.
How to Master Homemade Chocolate Caramel Slices
Creating these delightful chocolate caramel slices is a rewarding baking project. Let’s break down each layer into simple, achievable steps to ensure your Millionaire’s Shortbread turns out perfectly every time.
The Simple Biscuit Base
The biscuit base is arguably the easiest part of this recipe, requiring minimal effort and no fancy equipment. It sets the stage for the luscious layers that follow.
To make this wonderfully crumbly base, simply:
- Combine all the dry ingredients (plain flour, brown sugar, and desiccated coconut) in a medium-sized, heat-proof bowl. Give them a quick whisk or stir to ensure they’re well mixed.
- Gently melt the butter, either in the microwave or a small saucepan, until it’s fully liquid. Allow it to cool slightly before adding to the dry mix.
- Pour the melted butter over the dry ingredients. Using a spoon or spatula, stir everything together until a homogeneous, slightly crumbly dough forms. It should stick together when pressed.
This simple method creates a perfectly buttery and sturdy foundation for your caramel slices.
The Decadent Chewy Caramel Layer
The caramel layer, while requiring a bit more attention, is still surprisingly straightforward to prepare. The key is gentle heating and consistent stirring to prevent it from burning and to achieve that perfect golden, chewy consistency.
- Begin by combining all the caramel ingredients – sweetened condensed milk, brown sugar, and unsalted butter (cut into small cubes for quicker melting) – in a small, heavy-bottomed pot. Place it over low heat.
- Stir continuously as the butter melts and the sugar dissolves. Once combined, increase the heat to medium.
- Continue to cook the mixture, stirring occasionally, for about 3 to 5 minutes. During this time, the caramel will gradually thicken and transform into a beautiful golden brown color. The goal is a thick, bubbling consistency that coats the back of a spoon. Be patient and don’t rush this step, as it’s crucial for the caramel’s final texture. If desired, stir in a pinch of sea salt at the end for a salted caramel touch.
The gentle bubbling and color change indicate your caramel is developing its signature rich flavor and chewiness.
The Smooth Chocolate Topping
The final touch is the elegant dark chocolate layer, which adds a beautiful finish and a contrasting flavor. This step is quick and easy, bringing the entire slice together.
- Finely chop your dark cooking chocolate. Small pieces melt more evenly and quickly. Place the chopped chocolate in a heat-proof glass bowl with the coconut oil (or butter) and full cream milk.
- Melt the chocolate mixture. You can do this either in the microwave or over a “bain-marie” (double boiler). If using the microwave, heat in 30-second intervals, stirring thoroughly after each interval to prevent burning. If using a bain-marie, place the bowl over a saucepan of simmering water, ensuring the bottom of the bowl does not touch the water, and stir until completely melted and glossy.
The added coconut oil and milk help create a chocolate layer that is smooth, easy to cut, and beautifully shiny.
Assembling Your Millionaire’s Shortbread
With all three components ready, it’s time to bring your chocolate caramel slices to life. Layering them correctly is essential for that perfect cross-section and delightful eating experience.
- First, prepare the Biscuit Base as described above. Once the dough is ready, press it firmly into a square baking pan (ideally 9×9 inch or 22×22 cm) that has been lined with baking paper, leaving an overhang on the sides for easy removal. Use the back of a spoon or the bottom of a flat glass to compact the dough as evenly and firmly as possible across the base. Bake this base for about 12-15 minutes in a preheated oven until light golden, then remove and allow to cool slightly.
- While your pre-baked base is cooling, prepare the caramel layer. Once it reaches that beautiful golden-brown, thick consistency, carefully pour it over the warm biscuit base. Return the pan to the oven for another 12-15 minutes. The caramel should appear slightly jiggly in the center but mostly firm around the edges. It will continue to set as it cools. Remove from the oven and let it cool completely on a wire rack before transferring it to the fridge to set thoroughly (this usually takes about 30 minutes to 1 hour). A well-set caramel is crucial for clean slicing.
- Finally, once the caramel layer is completely cool and firm, begin preparing the chocolate layer. After it’s perfectly melted and glossy, pour it smoothly over the set caramel layer. Use a silicone spatula to gently spread the chocolate evenly across the surface, ensuring full coverage.
- For an extra touch, you can optionally sprinkle a small amount of desiccated coconut or a pinch of flaky sea salt on top of the still-wet chocolate for added texture and flavor contrast.
- Place the entire tray back into the fridge for another 30 minutes to an hour, allowing the chocolate layer to set completely firm.
To achieve perfectly clean and neat slices, carefully lift the entire slab of Millionaire’s Shortbread out of the pan using the baking paper overhang and place it on a sturdy chopping board. Dip a large, sharp knife (a bread knife often works best for this) into hot water and wipe it clean between each cut. This simple trick helps to prevent the chocolate from cracking and ensures smooth, precise slices.
This recipe is designed to yield 9 generous large slices, but feel free to cut them into smaller, bite-sized pieces for a party or a lighter treat.
Tips for Success & Troubleshooting:
- Don’t Rush the Caramel: Patience is key. Cooking the caramel slowly and stirring consistently prevents it from burning and ensures a smooth, chewy texture. If it’s too soft, it might not have cooked long enough; if it’s too hard, it might have been overcooked or cooked too quickly.
- Perfectly Packed Base: A firm biscuit base prevents it from crumbling when you cut the slices. Press it down very well!
- Preventing Chocolate Cracks: Adding a little coconut oil or butter to your chocolate helps it set less brittle, making it easier to slice without cracking. The hot knife trick is also invaluable.
- Even Layers: Take your time to spread each layer evenly for a visually appealing and balanced taste in every bite.
Variations to Explore:
- White Chocolate Drizzle: Instead of a full dark chocolate layer, drizzle melted white chocolate over a dark chocolate base for a striking contrast.
- Nutty Topping: Sprinkle chopped toasted nuts (like pecans or almonds) over the chocolate layer before it sets.
- Salted Caramel Boost: Add a generous sprinkle of flaky sea salt to the caramel itself, or on top of the chocolate layer, for an intensified salted caramel experience.
- Different Biscuit Base: Experiment with different types of biscuits or add citrus zest to the base for a flavor twist.
Storage & Serving:
Once your delicious Chocolate Caramel Slices are fully set and cut, store them in an airtight container in the refrigerator for up to 3-5 days. While they are best enjoyed at room temperature (allowing the caramel to soften slightly), they can also be enjoyed straight from the fridge for a firmer, chewier bite. They make an excellent addition to dessert platters, lunchboxes, or simply enjoyed with a cup of coffee or tea.
More Afternoon Treat Ideas:
- Double Chocolate Zucchini Muffins
- Lemon Blueberry Muffins
- Chocolate Raspberry Brownies
- Chocolate Brownie Bites
- Coffee Friands
- Jam Shortbreads from It’s Not Complicated Recipes
- Easy Date Slices from Chef Not Required
- Dark Chocolate Florentine Cookies
- Dark Chocolate and Orange Brownies
Recipe
Chocolate Caramel Slices
Print Recipe
Ingredients
Biscuit Base
- 150 gr (1 cup) Plain Flour
- 30 gr (2 1/2tbsp) Brown Sugar
- 50 gr (1/2 cup) Desiccated Coconut
- 120 gr (1/2 cup) Melted Butter
Caramel Layer
- 2 cans Sweetened Condensed Milk, (using 395gr / 14 oz cans)
- 50 gr (1/4cup) Brown Sugar
- 75 gr (1/3 cup) Unsalted Butter
- Sea Salt, to taste, optional
Dark Chocolate Layer
- 150 gr (5,5 oz) Dark Cooking Chocolate
- 15 ml (1 tbsp) Coconut Oil
- 30 ml (2 tbsp) Full Cream Milk
Instructions
Biscuit Base
- Preheat the oven on 180’C / 350’F. Line a Square 20x20cm / 8×8 inch pan with baking paper.
- Melt the butter in the microwave and set aside to cool down.
- In a bowl, mix the Plain Flour, Desiccated Coconut and Brown Sugar. Pour in the melted Butter and stir until combined.
- Put the biscuit base in the pan lined with baking paper and press to firmly pack the crust. You can use the bottom of a cup or a spatula to press the crust.
- Bake for 12 to 15 minutes then set aside to cool down.
Caramel Layer
- Pour the Sweetened Condensed Milk in a small saucepan with the Brown Sugar and Butter cut in small cubes. Leave on low heat until the butter has melted, then increase to a medium heat for about 3 to 5 minutes. Occasionally stir or whisk. When the caramel starts to get a golden colour and thickens, remove from the heat.
- Carefully pour the hot caramel sauce over the pre-baked base and place back in the oven for 12 to 15 minutes. The caramel should be a little bit jiggly but mainly firm.
- Remove from the oven and leave to cool for 15 to 20 minutes, then transfer into the fridge for another 30 minutes or until cold and set.
Chocolate Layer
- Finely chop the Dark Cooking Chocolate and place in a heat-proof bowl. Add the Milk and melt (see note 1). When fully melted, add the Coconut Oil and stir until combined.
- Pour the chocolate over the set Caramel Layer and place back in the fridge to finish setting for another 30 minutes.
- Optional: sprinkle some Desiccated Coconut or Sea Salt over the Chocolate Layer.
To finish the slices
- Remove the preparation from the baking pan and carefully place it on a chopping board. Dip a large knife in hot water and slice the cake into 9 larges pieces (or smaller ones if preferred). Keep in the fridge for up to 3 days.
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Notes
- You can melt the chocolate on a “ bain marie” or in the microwave.
– “Bain Marie“: place the heat-proof bowl with the chocolate over a pot with a small quantity of simmering water. Stir until melted.
– In the microwave: melt in 30 seconds increments to make sure the chocolate does not burn, stirring well between each time.
Nutrition (per serving)
Conclusion: Your New Favorite Indulgence
There you have it – a comprehensive guide to crafting the most irresistible Chocolate Caramel Slices, or Millionaire’s Shortbread, right in your own kitchen. This recipe combines a crisp shortbread base, a rich, chewy caramel, and a decadent dark chocolate topping into a treat that’s perfect for any occasion. Whether you’re preparing them for a special gathering, a cozy afternoon tea, or simply to satisfy a sweet craving, these slices are guaranteed to impress.
With clear instructions, helpful tips, and ideas for customization, you’re well-equipped to bake a batch that tastes absolutely heavenly. Don’t be intimidated by the layers; each step is straightforward and the results are incredibly rewarding. Get ready to enjoy the ultimate sweet indulgence that will quickly become a cherished favorite in your home!