Giant hazelnut & chocolate biscuit cake recipe

by BabyYumYum
Baby Yum Yum - Giant hazelnut & chocolate biscuit cake recipe
Reading Time: 2 minutes

Chocolate ganache, coffee cream and crunchy biscuit come together to make this incredible masterpiece. Is it a biscuit or is it a cake? Who cares? It’s delicious!


You will need:

385g firmly-packed brown sugar

150g plain flour

240g wholewheat flour

2 teaspoons baking powder

1 teaspoon bicarbonate of soda

1 teaspoon ground nutmeg

1 egg

250ml milk

125g butter, melted, cooled

55g roasted hazelnuts, chopped

2 tablespoons cacao nibs

For the ganache

500g dark chocolate, finely chopped

600ml cream

For the coffee cream

1 tablespoon boiling water

2 teaspoons instant coffee granules

600ml thick cream

80g icing sugar, sifted

1 tablespoon cocoa powder, sifted

How to make the biscuit cake:

1 Preheat oven to 180°C. Draw 8 x 18cm circles on sheets of baking paper. Turn the sheets marked-side down.

2 Combine sugar, flours, baking powder, soda and nutmeg in a large bowl. Make a well in the centre. Whisk egg, milk and butter in a medium jug. Add to flour mixture; whisk until just combined.

3 Spread 1/2 cup of cake mixture in each circle; sprinkle each round with 1 tablespoon hazelnuts and 2 teaspoons cacao nibs. Place on oven trays.

cake mixture being spread onto baking paper for the chocolate and hazelnut biscuit cake recipe

4 In batches, bake on trays for 10-12 minutes (swapping trays around halfway through) or until firm to touch. Transfer rounds, on baking paper, to wire racks to cool.

5 Repeat the process with the remaining marked baking paper and remaining cake mixture to make eight cake layers in total. Remove lining paper after cooling.

6 Make ganache, then coffee cream.

7 Place a cake layer on a plate or stand; spread with 1/2 cup of coffee cream. Drizzle 1/3 cup of ganache over coffee cream, allowing it to drip a little over the edge. Repeat layering, finishing with a ganache layer. A palette knife will make spreading ganache and coffee cream easier. Otherwise, use the back of a dessert spoon to spread the mixtures. Refrigerate cake for 1 hour.

coffee cream and chocolate ganache being spread on biscuit layers for hazelnut and chocolate biscuit cake

8 Just before serving, sprinkle with remaining nuts and cacao nibs.

How to make the ganache:

Place chocolate in a medium heatproof bowl. Heat cream in a small saucepan over medium heat until just simmering. Pour hot cream over chocolate; whisk until smooth. Stand at room temperature until thickened slightly.

How to make the coffee cream:

Combine water and coffee in a jug; cool. Beat cream and icing sugar in a small bowl with an electric mixer until soft peaks form. Add cocoa and coffee mixture; beat until firm peaks form. Cover; refrigerate until ready to use.

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