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Cadburys Flake Traybake Cake Of The Century

This Cadburys chocolate flake traybake cake has to be one of my favourite recipes. Imagine sinking your teeth into a light, moist and fluffy orange-flavoured sponge, perfectly balanced with a rich chocolate custard coating. To top it all off, a generous amount of Cadbury’s 99 Flakes, adding that signature chocolatey goodness we all adore. Perfect for recipe for Easter, parties or bake sales.

cadburys flake traybake with a corner piece taken out showing a plain sponge, chocolate custard topping topped with cadburys flakes

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Ingredients

For the sponge

400 g Butter (softened or margarine)

500 g Caster Sugar

4 tsp Orange Essence

6 lrg Eggs

520 g Plain Flour

3 tsp Baking Powder

200 g Plain Greek Yoghurt

Chocolate Custard Coating

350 ml Whole Milk

300 g Caster Sugar

1 tbsp Golden Syrup

50 g Cocoa Powder (Sifted)

60 g Cornflour

50 g Butter

1 tsp Vanilla Essence (or orange essence)

51 Cadburys Chocolate Flakes

Cadburys Flake Cake Recipe

STEP 1:
Grease and line your baking tray with baking paper, leaving enough so that it overhangs the baking tray. Heat the oven at 160°c fan/180c/350f/gas 4.

STEP 2:
Cream the butter, sugar and orange essence in with your electric mixer for 3 minutes, until pale and creamy. Add the eggs one at a time whilst mixing.

STEP 3:
In a separate bowl, mix the flour and baking powder. Pour half of this into your egg mixture and mix until combined. Pour in the greek yoghurt, mix again, and then add the remaining flour.

STEP 4:
Spoon the batter into your tray and smooth out evenly. Bake for 50 minutes or until the sponge is cooked. Leave to cook completely.

Chocolate Custard Coating

STEP 5:
In a bowl, combine the cornflour with 75ml cold water and whisk until smooth. Set aside.

STEP 6:
Combine the milk, caster sugar, golden syrup and cocoa powder in a medium sized saucepan, and warm over a medium heat, stirring occasionally using a hand whisk, until the mixture boils.

STEP 7:
Slowly pour the cornflour mixture into the saucepan, whisking continuously. Whisk over the heat for 2-3 minutes, until it thickens considerably. Allow to boil for 1 minute, then remove from the heat and stir in the butter and vanilla extract. Cover and leave to cool.

Assemble

STEP 8:
Add the chocolate custard coating on top of the sponge and spread out evenly with a spatula. Top with the cadburys flakes in rows.

Additional Extras

For the sponge I used orange essence but you can also add fresh orange zest if you want to. You can also add more orange essence or zest in the chocolate custard topping for more orange flavour.

Alternatives to a Cadburys 99 flake for the topping are grated dark or milk chocolate or a Cadburys Twirl Bar. There are many types of chocolate you could use, the possibilities are endless!

Top Tips

For the sponge, use a full-fat creamy greek yoghurt for best results. Alternatively you could use creme fraiche or coconut cream. If the alternative you are using is quite runny you may need to cook the cake for longer.

This chocolate flake traybake cake serves 18 people. Each serving gets 3 flakes on top of each cake. It is a generous size portion so you could make it go even further to serve about 25 people making it great cake for parties or large gatherings.

How To Store Cadbury Flake Traybake Cake

Cut into quarters or individual pieces and store in a air tight container. It will keep for up to 7 days. In hot weather keep in the fridge to keep cool.

If you love this recipe you may like:

Chocolate Orange Cupcakes

cadburys flake traybake with a corner piece taken out showing a plain sponge, chocolate custard topping topped with cadburys flakes

Cadburys Flake Traybake Cake Recipe

Rachel
A light, moist and fluffy orange-flavoured sponge, perfectly balanced with a rich chocolate custard coating. To top it all off, a generous amount of Cadbury’s Flakes, adding that signature chocolatey goodness we all adore.
4.67 from 3 votes
Prep Time 15 minutes
Cook Time 50 minutes
Total Time 1 hour 5 minutes
Course Dessert
Cuisine British
Servings 18
Calories 515 kcal

Equipment

1 Baking tray large or a Roasting tin. I used 30 x 25 cm with a depth of 2cm

Ingredients
  

For the sponge

  • 400 g Butter (softened or margarine)
  • 500 g Caster Sugar
  • 4 tsp Orange Essence
  • 6 lrg Eggs
  • 520 g Plain Flour
  • 3 tsp Baking Powder
  • 200 g Plain Greek Yoghurt

Chocolate Custard Coating

Instructions
 

  • Grease and line your baking tray with baking paper, leaving enough so that it overhangs the baking tray. Heat the oven at 160°c fan/180c/350f/gas 4.
  • Cream the butter, sugar and orange essence in with your electric mixer for 3 minutes, until pale and creamy. Add the eggs one at a time whilst mixing.
  • In a separate bowl, mix the flour and baking powder. Pour half of this into your egg mixture and mix until combined. Pour in the greek yoghurt, mix again, and then add the remaining flour.
  • Spoon the batter into your tray and smooth out evenly.
  • Bake for 50 minutes or until the sponge is cooked. Leave to cook completely.

Chocolate Custard Coating

  • In a bowl, combine the cornflour with 75ml cold water and whisk until smooth. Set aside.
  • Combine the milk, caster sugar, golden syrup and cocoa powder in a medium sized saucepan, and warm over a medium heat, stirring occasionally using a hand whisk, until the mixture boils.
  • Slowly pour the cornflour mixture into the saucepan, whisking continuously. Whisk over the heat for 2-3 minutes, until it thickens considerably. Allow to boil for 1 minute, then remove from the heat and stir in the butter and vanilla extract. Cover and leave to cool.

Assemble

  • Add the chocolate custard coating on top of the sponge and spread out evenly with a spatula. Top with the cadburys flakes in rows.
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Notes

I used one baking tray for a taller sponge 30 x 25 cm with a depth of 2cm but you can easily spread them out over two small baking trays. 
For the sponge, use a full-fat creamy greek yoghurt for best results. Alternatively you could use creme fraiche or coconut cream. If the alternative you are using is quite runny you may need to cook the cake for longer.

Nutrition

Serving: 22gCalories: 515kcalCarbohydrates: 75gProtein: 6gFat: 23gSaturated Fat: 14gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gTrans Fat: 1gCholesterol: 58mgSodium: 246mgPotassium: 143mgFiber: 2gSugar: 48gVitamin A: 661IUCalcium: 93mgIron: 2mg
Keyword flake cake recipe
Tried this recipe?Let us know how it was! or tag @rachelsrecipepantry on Instagram and hashtag #rachelsrecipepantry Thank you!!

4 Comments

  1. 4 stars
    No-one liked the custard on top, it was too sweet even though I halved the amount I put in. The cake part of it is excellent. I really liked it and the flavour.

  2. 5 stars
    The moment the moist sponge hit my lips I knew this was the cake for me. Yum yum. Give it a go you won’t regret it!

4.67 from 3 votes

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