Delicious Biscuit Sponge Cake Recipe

Biscuit Sponge Cake is a popular dessert that can be enjoyed year-round. It is a delicious combination of a light, spongy cake layer, topped with a sweet, creamy custard and topped with crunchy biscuit crumbs. This delicious dessert is a classic for any occasion, from a casual family gathering to an elegant dinner party.


The ingredients for a classic Biscuit Sponge Cake are simple and few. You will need a sponge cake mix, custard powder, butter, caster sugar, cream, and a selection of biscuit crumbs.

Making the Sponge Cake

Begin by preheating the oven to 180°C. Grease and line a 20cm cake tin with baking paper. Sift the sponge cake mix into a large bowl and add the butter and caster sugar. Beat the mixture together until it is light and fluffy. Add the eggs one at a time, beating well after each addition. Finally, fold in the cream. Pour the mixture into the prepared tin and bake for 25-30 minutes, or until a skewer inserted into the centre comes out clean. Allow the cake to cool in the tin before turning out onto a wire rack to cool completely.

Making the Custard

In a medium saucepan, combine the custard powder, sugar, and milk. Stir continuously over a medium heat until the mixture thickens and boils. Allow the custard to cool before spreading over the top of the cooled sponge cake.

Assembling the Cake

Spread the biscuit crumbs over the top of the custard. Place the cake in the fridge for at least an hour before serving.

Serving Suggestions

  • Serve the Biscuit Sponge Cake with a dollop of whipped cream and a dusting of cocoa powder.
  • For a special treat, top the cake with a layer of melted chocolate and a sprinkle of nuts.
  • For a classic finish, decorate the cake with a few fresh strawberries.


Biscuit Sponge Cake is a delicious and easy to make dessert that is perfect for any occasion. With its light sponge cake layer, creamy custard, and crunchy biscuit crumbs, it is sure to be a hit with everyone.

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