Giant Chocolate Cornflake Cake

I love anything retro, and these old school cornflake cakes definitely hit the spot!

This giant chocolate cornflake cake is perfect for satisfying any sweet tooth and is sure to be a hit with absolutely everyone out there (this recipe is also vegan friendly!). With a crispy cornflake base and a rich chocolatey topping, this cake is the ultimate treat for any occasion. It’s perfect for easter, or those rainy weekends with the kids, or, quite simply, if you just fancy a really nice cornflake cake.

It’s also super easy to make and requires just a few simple ingredients. So let’s get started and whip up a batch of this irresistible dessert!

Giant Chocolate Cornflake Cakes

Indulge in a delicious twist on a classic British treat with my recipe for a Giant Chocolate Cornflake Cake (recipe below!). While often enjoyed during Easter, these sweet and crunchy cakes really are perfect for any occasion. And the beauty of being an adult is that we can eat what we want, when we want, right?

My recipe uses 100% vegan plant-based ingredients, making it a guilt-free indulgence that everyone can enjoy. Plus, it’s incredibly easy to make and requires no baking! Got some leftover Easter vegan chocolate lying around? Use it up in this recipe! For a unique twist, try topping your cakes with a vegan mini-egg, or your favourite vegan sweets.

Whether you’re making them for Easter or just a sweet treat, these Giant Vegan Chocolate Cornflake Cakes are sure to be a hit with everyone!

Giant Chocolate Cornflake Cake

Which Vegan Chocolate is Best for These Giant Chocolate Cornflake Cakes?

This is entirely up to you! I personally like Nomo (which in my opinion is one of the best vegan chocolate brands out there), but I wouldn’t urge you to go out and get anything specific. As long as it’s vegan, try it in these cornflake cakes!

One thing I would say though is that I like to utilise a mixture of BOTH Vegan Dark Chocolate and Vegan Milk Chocolate. I find this helps make sure that the cornflake cake isn’t too sweet, and not too bitter.

Can You Use Stale Cornflakes in Cornflake Cakes?

Absolutely! Don’t be using those lovely fresh cornflakes, raid your cupboard or pantry for the older cornflakes (as long as they’ve not completely gone off!).

How Do You Make These Cornflake Cakes More Gooey?

To make your Giant Chocolate Cornflake Cake more gooey, you can try adding a little more golden syrup (or a similar syrupy sweetener to the recipe).

This will create a more sticky and gooey texture that can enhance the overall taste of the cake.

Another option is to add melted vegan marshmallows or chocolate chips to the mixture. This will give your cake a chewy, gooey texture. Just make sure to adjust the amount of dry ingredients (like the cornflakes) accordingly to ensure that the consistency of the mixture isn’t too thick or dry. Experiment with different ingredients and ratios until you find the perfect balance of gooeyness and crunchiness for your Vegan Chocolate Cornflake Cake.

Giant Chocolate Cornflake Cake

Can I Change The Topping? I like Marshmallows!

Well that’s entirely up to you! Throw some vegan mini-eggs on, some candy kittens, some marshmallows, or some Oreos. It’s completely your call. Perhaps play around with different variations?

Giant Vegan Chocolate Cornflake Cake Ingredients

Dark Chocolate / Vegan Chocolate: Chocolate adds richness and depth to the recipe. In addition to its flavour, dark chocolate contains antioxidants and flavonoids that have been linked to improved heart health and cognitive function. Vegan chocolate is a great alternative for those who want to avoid animal products, and it can be just as delicious as traditional chocolate.

Golden Syrup: Golden syrup is a type of thick, amber-coloured syrup that is made from sugar cane. It adds sweetness and a rich, caramel-like flavour to the recipe. It also helps to bind the ingredients together and gives the mixture a chewy texture.

Vegan Butter: Vegan butter is a plant-based alternative to traditional butter that is made from vegetable oils. It adds richness and creaminess to the recipe. It also helps to bind the ingredients together and give the mixture a smooth texture.

Cornflake Cereal: I mean, it would be difficult to make Cornflake Cakes without cornflakes. Cornflakes provides a crispy and crunchy texture to the recipe. They also have a pretty neutral flavour that allows the other ingredients to shine and do their job!

Vegan Mini Eggs: Vegan Mini Eggs also provide a sweet and crunchy texture that contrasts with the chewy texture of the other ingredients.

vegan cornflake cake

Giant Vegan Chocolate Cornflake Cake

Georgina Burgess
This Vegan Chocolate Cornflake Cake is a twist on the British Easter classic. Enjoy it with any topping your like, from Vegan Mini-Eggs, to Candy Kitten Sweets!
Prep Time 10 minutes
Cook Time 1 hour
Course Dessert
Servings 8 servings


  • 250 grams Dark Chocolate / Vegan Chocolate
  • 75 grams Golden Syrup
  • 75 grams Vegan Butter
  • 180 grams Cornflake Cereal
  • 1 handful Vegan Mini Eggs


  • Melt the Chocolate, Butter and Golden Syrup in a Bain Marie (heat proof bowl over a simmering pan of water)
  • Stir in the Cornflakes until they're all coated (this can take a while!)
  • Pour the mixture into a lined 8×8'' square tin and press down with the back of a spatula
  • Sprinkle over some Vegan Mini Eggs (or whichever treat you like!)
  • Place in the fridge to set for 1 hour
  • Remove and cut into squares
Keyword vegan dessert

Are Kellogg’s Cornflakes Vegan?

Unfortunately (at the time of writing), no, Kellogg’s Cornflakes are not strictly vegan.

The reason for this is that while the primary components of Kellogg’s Cornflakes are sourced from plants, the addition of vitamin D involves a non-vegan ingredient. Specifically, the vitamin D used in the cereal is obtained from lanolin, a substance derived from sheep’s wool grease, thereby rendering it incompatible with a plant-based diet.

The good news is that there are lots of vegan cornflakes out there in almost all supermarkets!

Why Not Try These Vegan Chocolate Cornflake Cakes With Vegan Milk?

My Vegan Milk Recipe is the perfect accompaniment to these Vegan Chocolate Cornflake Cakes. Give the recipe a go! It’s super simple and so tasty!

almond cashew milk

How Long Will Cornflake Cakes Keep?

Cornflake cakes can typically keep for about 3-4 days if stored properly. To ensure that they stay fresh, it’s important to store them in an airtight container at room temperature. If you live in a particularly hot or humid climate, you may want to store them in the refrigerator to extend their shelf life. It’s also a good idea to avoid stacking them on top of each other to prevent them from getting crushed or losing their shape. If you want to keep them for longer than 4 days, you can freeze them for up to 3 months. Just make sure to wrap them tightly in plastic wrap or aluminium foil before freezing to prevent freezer burn.

Why Do My Cornflake Cakes Go Soggy?

Cornflake cakes can go soggy for several reasons. One of the most common reasons is that they have been stored in a damp or humid environment. When the moisture in the air comes into contact with the cornflakes, they can absorb it and become soft and mushy.

Another reason that cornflake cakes may go soggy is that they have been exposed to liquid ingredients for too long before being allowed to set. For example, if you are making cornflake cakes with melted chocolate or syrup, and you don’t allow the mixture to cool slightly before adding the cornflakes, the heat can cause the cornflakes to absorb the liquid and become soggy.

Finally, over-stirring the mixture can also cause the cornflakes to become soggy. It’s important to mix the ingredients gently and just enough to coat the cornflakes evenly without crushing them.

To prevent your cornflake cakes from going soggy, it’s essential to store them in a dry, airtight container at room temperature. If you live in a humid environment, you may want to consider storing them in the refrigerator to help maintain their crispness.

How Long Does It Take For Cornflake Cakes To Set?

Cornflake cakes typically take around 1-2 hours to set, depending on the recipe and the room temperature. The setting time can also be affected by the size and shape of the cornflake cakes. If you are making small individual cornflake cakes, they will set faster than a large cake.

To ensure that your cornflake cakes set properly, it’s important to allow them to cool at room temperature for a few minutes before transferring them to the fridge. Once they are in the fridge, leave them to set for at least 1 hour or until they feel firm to the touch.

If you are in a hurry, you can speed up the setting process by placing the cornflake cakes in the freezer for 20-30 minutes. However, it’s important not to leave them in the freezer for too long, as they can become too hard and difficult to eat.

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