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Mary Berry Caramel Shortbread

Mary Berry Caramel Shortbread

Mary Berry’s Caramel Shortbread—often known as Millionaire’s Shortbread—is a traybake made from three layers: shortbread, caramel, and chocolate. Each layer is prepared separately, then stacked to create a rich, indulgent square that combines crunch, creaminess, and smooth chocolate in every bite. It’s one of the most beloved traybakes in British baking.

Ingredients

For the Shortbread Base:

  • 175g plain flour

  • 125g butter, softened

  • 50g caster sugar

For the Caramel Layer:

  • 100g butter

  • 100g soft brown sugar

  • 397g tin sweetened condensed milk (standard size)

For the Chocolate Topping:

  • 200g milk chocolate

  • 50g dark chocolate (optional for depth and a cleaner snap)

Instructions

  • Make the shortbread base: Combine flour, butter, and sugar until crumbly, then press firmly into a lined tin.

  • Bake the base: Cook until pale golden and allow to cool completely.

  • Prepare the caramel: Melt butter, sugar, and condensed milk together over low heat.

  • Stir constantly: Cook gently until the caramel thickens and turns a rich golden colour.

  • Spread the caramel: Pour over the cooled shortbread and smooth the surface.

  • Cool and set: Allow the caramel to firm before adding chocolate.

  • Melt the chocolate: Use a bowl over simmering water or microwave in short bursts.

  • Add the topping: Pour chocolate evenly over the caramel and level with a spatula.

  • Leave to set: Allow to cool at room temperature before slicing.