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An easy recipe for Caramel Slice (or Millionaire’s Shortbread) using sweetened condensed milk to produce a lovely, thick caramel. Recipe with step-by-step photos.

Caramel Slice

My parents ran a busy bakery while I was growing up in Australia, and one of the staples they always had behind the glass counters were Caramel Slices, otherwise known as Millionaire’s Shortbread in other parts of the world.

Chocolate Caramel Slice

In Australia, these caramel slices are also known as Chocolate Caramel Slices, and they are as popular as Lamingtons and Chocolate Coconut Bars, all of which make regular appearances at bake sales and morning teas.

caramel slice on wire rack on wooden table

Caramel Slice Recipe

This caramel slice recipe is a scaled down version of that which my parents sold in their bakery.

I love that the biscuit base contains coconut for both flavour and texture.

To make these caramel slices a bit more sophisticated and grown up, I like to sprinkle them with some sea salt flakes to offset the sweetness a bit.

chocolate caramel slice with jar of sea salt

How to Make Caramel Slice

This caramel slice recipe is easier than it looks. Like with most recipes for slices, you require three components:

the biscuit base, which takes about 5 minutes to prepare and 15 minutes to bake
the caramel filling, which takes about 10 minutes to cook
the chocolate topping, which mostly involves melting a few bars of chocolate, about 5 minutes

Step 1

To prepare the biscuit base, mix the dry ingredients in the bowl of a stand mixer. Using the flat paddle attachment, beat in the melted butter. Keep beating on low speed until the mixture is well incorporated.

Step 2

Spread the biscuit base into a baking pan lined with baking paper. Bake for 12 to 15 minutes, or until it is lightly golden.

Step 3

Meanwhile, prepare the caramel filling. Simply melt the butter in a medium-sized saucepan, then add the remaining ingredients. Whisk constantly over medium-high heat until everything has melted into a lovely and thick caramel sauce.

Make sure that you whisk constantly to prevent the mixture from sticking to the bottom of the pan and burning.

Step 4

Pour the caramel filling over the biscuit base. Use a spatula to evenly spread the caramel filling.

Step 5

Bake for about 10 minutes, or until the edges have set slightly. If you give the pan a gentle shake, the centre of the pan should wobble ever so slightly.

Step 6

Set the pan aside to cool completely, before putting the pan into the fridge to chill for at least 30 minutes.

Step 7

Make the chocolate topping by melting the chocolate in a bain-marie (or a bowl over a pan of simmering water), and then whisk in the oil.

Step 8

Pour the melted chocolate over the caramel-topped biscuit base, and use a spatula to spread it evenly.

For a smooth surface, simply leave the pan as is to set completely before slicing and serving.

For a textured surface like in the photos above, place the pan in the fridge to chill for 10 to 15 minutes. Drag a small spatula through the chocolate to create some ripples, and then leave to set completely.

More Australian Recipes

If you are looking for more Australian recipes, you might also enjoy:

Chocolate Coconut Bars

Lamingtons

Pavlova with Cream & Passionfruit

Raspberry Friands

Caramel Slice (Millionaire’s Shortbread)

★★★★★

5 from 9 reviews

Author: eatlittlebird.com
Prep Time: 30 mins
Cook Time: 30 mins
Total Time: 1 hour
Yield: Makes 20 slices
Category: Desserts
Method: Bake
Cuisine: Australian

An easy recipe for Caramel Slice (or Millionaire’s Shortbread) using sweetened condensed milk to produce a lovely, thick caramel. Make them more delicious with a touch of sea salt.

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Ingredients

For the biscuit base

125 g (1 stick plus 1 tablespoon) unsalted butter
125 g (1 cup) plain flour (all-purpose flour), sifted
1 teaspoon baking powder
90 g (1 cup) dessicated coconut
115 g (1/2 cup) caster sugar (superfine sugar)

For the caramel filling

100 g (1 stick) unsalted butter
400 ml (14 fl oz) canned sweetened condensed milk
2 tablespoons golden syrup
1 teaspoon vanilla bean extract or vanilla extract
100 g (2/3 cup) light muscovado sugar or light brown sugar, tightly packed (lumps removed)

For the chocolate topping

150 g (5.5 oz) dark chocolate (bittersweet chocolate), 70% cocoa content
1 tablespoon vegetable oil
sea salt flakes (such as Maldon Sea Salt)

Instructions

For the biscuit base

Preheat the oven to 180°C (350°F) (without fan).
Line a small baking tin (18 x 28 cm or 7 x 11 inches) with baking paper.
Melt the butter and set it aside to cool slightly.
Place the flour, baking powder, dessicated coconut and sugar into the bowl of a stand mixer.
Using the flat paddle attachment, mix the ingredients together.
Add the melted butter and beat until the mixture is combined.
Place the mixture into the lined baking tin and use your fingers to press it firmly and evenly into the base.
Bake the biscuit base for 12-15 minutes, or until it is lightly golden.
Set the biscuit base aside to cool slightly while you make the caramel filling, but keep the oven turned on.

For the caramel filling

Melt the butter in a medium-sized saucepan over low-medium heat.
Once the butter has melted, add the sweetened condensed milk, golden syrup, vanilla extract and light brown sugar.
Whisk the ingredients together until they are well incorporated.
Turn the heat up to medium-high, and continue whisking until the caramel starts to bubble a little.
Whisk constantly over medium-high heat until the caramel thickens slightly. Make sure you are whisking constantly, otherwise the caramel might start to burn and you will have to start all over again!
The caramel is done when it has thickened to a thick pouring consistency.
When the caramel is cooked, pour it over the biscuit base and use a spatula to evenly distribute it.
Place the baking pan back in the oven for 10 to 12 minutes, or until the edges have firmed slightly. If you give the pan a gentle shake, the centre of the pan should wobble ever so slightly.
Remove the baking pan to a wire rack and let it cool completely.
Once it has cooled, place it into the fridge for at least 30 minutes.

To make the chocolate topping

Melt the chocolate in a bain-marie, or in a heat-proof bowl over a pan of simmering water.
Whisk through the vegetable oil to make the chocolate nice and glossy.

To assemble the Caramel Slice

Take the baking pan out of the fridge and pour the melted chocolate over the top.
Immediately use a spatula to spread the chocolate evenly. As the caramel slice is cold from the fridge, the chocolate topping will start to set quickly.
If you wish to create a rough textured surface like in the photos, place the baking pan back in the fridge for 10-15 minutes for the chocolate topping to set slightly. Drag a spatula back and forth through the cold (but not set) chocolate topping to create the textured surface. If the chocolate topping is not cold enough, you may have to put the tin back into the fridge for another 5 minutes or so.
Once the chocolate caramel slice has set, slice into bars or squares, and sprinkle with sea salt flakes before serving.

Kitchen Notes

NUTRITIONAL INFORMATION
Best to ignore the nutritional information for this recipe 😉 Enjoy everything in moderation!

OVEN TEMPERATURES
All recipes on this website state temperatures for a regular oven (i.e. a conventional oven without fan). If you have a convection oven with a fan, please consult the manufacturer’s handbook on how to adjust the temperature and baking time accordingly.