Millionaire shortbread
Prep Time: 30 minutes
Chill Time: 2–3 hours
Bake Time: 20–25 minutes
Yield: 16 squares
Difficulty: Moderate
Ingredients
For the Shortbread Base:
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1 cup (225g) unsalted butter, softened
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½ cup (100g) granulated sugar
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2¼ cups (280g) all-purpose flour
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¼ tsp salt
For the Caramel Layer:
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1 cup (225g) unsalted butter
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1 cup (200g) brown sugar, packed
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1 (14 oz / 397g) can sweetened condensed milk
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¼ cup (60ml) golden syrup or light corn syrup
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½ tsp sea salt
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1 tsp vanilla extract
For the Milk Chocolate Topping:
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10 oz (280g) milk chocolate, chopped or chips
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1 tsp vegetable oil or butter (optional, for smoother melt)
Instructions
Step 1: Make the Shortbread Base
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Preheat oven to 350°F (175°C).
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Line an 8×8-inch (or 9×9-inch for thinner layers) square baking pan with parchment paper, leaving overhang.
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In a mixing bowl or stand mixer:
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Cream butter and sugar until light and fluffy.
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Mix in flour and salt until the dough forms clumps.
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Press the dough evenly into the pan using your hands or the bottom of a glass.
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Prick all over with a fork.
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Bake for 20–25 minutes, or until pale golden around the edges.
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Let cool in the pan.
Step 2: Make the Caramel Layer
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In a medium heavy-bottomed saucepan over medium heat, combine:
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Butter
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Brown sugar
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Sweetened condensed milk
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Golden syrup
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Sea salt
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Stir constantly until everything is melted and combined.
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Bring to a gentle boil, stirring constantly (scrape bottom and sides), and simmer for 6–8 minutes until thickened and slightly darker in color. It should coat the back of a spoon.
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Remove from heat, stir in vanilla.
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Pour the caramel over the cooled shortbread and smooth the top.
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Chill in the fridge for at least 1 hour, or until set.
Step 3: Add the Milk Chocolate Topping
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Melt milk chocolate and oil (if using) in a heatproof bowl over a pan of simmering water (double boiler) or microwave in 20-second bursts, stirring between each.
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Pour the melted chocolate over the set caramel. Tilt the pan to spread it evenly or use an offset spatula.
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Tap the pan lightly on the counter to release air bubbles.
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Chill again until the chocolate is set, about 1–2 hours (you can speed this up in the fridge but don’t freeze or the chocolate may crack when sliced).
Step 4: Slice and Serve
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Use a sharp knife warmed under hot water (and dried) to cut clean squares.
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For the cleanest cuts, let the bars sit at room temperature for 10 minutes before slicing.
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Serve and enjoy!
Nutrition Info (Per Square – Approximate)
| Nutrient | Amount |
|---|---|
| Calories | ~370 kcal |
| Fat | ~22g |
| Carbs | ~40g |
| Sugar | ~30g |
| Protein | ~3g |
| Sodium | ~160mg |
Variations
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Dark Chocolate Lover? Swap milk chocolate for semisweet or dark chocolate (70%) for a more intense, less sweet topping.
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Salted Caramel: Sprinkle flaky sea salt on top of the melted chocolate before it sets.
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Espresso Twist: Stir ½ tsp espresso powder into the caramel for a mocha-caramel flavor.
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Nutty Base: Mix ¼ cup finely chopped pecans or hazelnuts into the shortbread dough.
Pro Tips
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Use a heavy-bottomed pan for the caramel to prevent scorching.
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Stir caramel constantly — it can burn fast.
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Milk chocolate is softer than dark — don’t skip chilling thoroughly before slicing.
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Oil in chocolate gives a softer bite and prevents cracking when slicing.
Final Thoughts
Millionaire’s Shortbread with Milk Chocolate is a showstopper. The buttery shortbread, luscious caramel, and silky milk chocolate combine to create a rich, layered treat that lives up to its name. Perfect for gifting, parties, or just an indulgent afternoon with tea or coffee.