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3/4 shot of square of cake with jelly tots on small plate with blue pattern. more cake cut on wire rack in the background.
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White Chocolate Traybake

This White Chocolate Traybake is sweet, creamy and just absolutely delicious. It’s a fantastically simple bake that’s easy to dress up for a special occasion.
Course Sweets
Cuisine British
Keyword white chocolate buttercream, white chocolate cake
Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings 12 Squares
Calories 491kcal
Author Donna

Ingredients

For the White Chocolate Sponge:

  • 150 g Margarine or butter
  • 150 g Caster Sugar
  • 3 Eggs
  • 150 g Self Raising Flour
  • 100 g White Chocolate Broken up into squares

For the White Chocolate Buttercream:

  • 150 g Butter not margarine – at room temperature
  • 150 g Icing Sugar
  • 100 g White Chocolate Broken up into squares
  • Jelly Tots or Smarties to decorate - optional

Instructions

  • Preheat the oven to 180 Degrees C (fan-assisted) and grease or line a deep baking tray.
  • Carefully melt the white chocolate over a bain-marie and leave to one side to cool.
  • Whisk together the butter and sugar until there are no lumps (this takes about a minute with an electric whisk).
  • Add the eggs and whisk until smooth.
  • Add the flour and whisk for 2-3 minutes until the mixture is even and there are no lumps.
  • Pour in the cooled melted chocolate and fold together gently and thoroughly.
  • Pour into the prepared tray and spread out evenly.
  • Bake in the middle of the preheated oven for 15 minutes, checking the centre is cooked with a skewer before removing.
  • Leave to cool in the tin.
  • Once the cake is cool, using the bain-marie carefully melt the white chocolate for the buttercream and set to one side to cool.
  • Beat the butter until soft.
  • Beat in the icing sugar until there are no lumps.
  • Pour in the cooled melted chocolate and fold together until smoother.
  • Tip the cooled cake onto a wire rack or chopping board and peel off the baking paper if you used it.
  • Spread or pipe on the buttercream, and decorate with sweets if desired.
  • Leave to set for 1 hour before slicing into squares.

Video

Notes