Decorate Your Own Cake

Why not get creative and decorate your own cake? Our kit is packed with buttercream, chocolate, and colourful toppings — everything you need to swirl, sprinkle, and unleash a little cake magic. Perfect for parties, family fun, or simply making a moment extra joyful.

Also available in gluten free

Bring out your inner cake artist with our Decorate Your Own Cake kit — no rules, just fun!

We’ve included everything you need to create your masterpiece (or delicious mess): buttercream, sweets, and a treasure trove of chocolate bars including Fudge, Crunchie, Daim, Flake, M&M’s, and Curly Wurly. The most joyful activity which is perfect for a birthday, party, or just an excuse to get playful, this cake is all about creativity, laughter, and of course, plenty of chocolatey joy.

Ingredients & allergens

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Untopped Chocolate Sponge: Sugar, margarine (palm oil, rapeseed oil, salt, emulsifier E475, flavouring, sunflower oil, colours (curcumin, annatto), eggs, self raising flour (wheat flour, raising agents (sodium bicarbonate, mono calcium phosphate), calcium carbonate, iron, niacin, thiamin), butter (milk), dark chocolate (cocoa mass, sugar, cocoa butter, milk powder, emulsifier (soya lecithin), vanilla flavour), milk chocolate (sugar, cocoa butter, whole milk powder, emulsifier (soya lecithin), vanilla flavouring) Chocolate Buttercream: Icing Sugar, Butter (Milk), Chocolate (cocoa Mass; Sugar; Fat-reduced Cocoa Powder; Emulsifier: Lecithin (Soya); Natural Vanilla Flavouring). Curly Wurly Chocolate Bar: Glucose syrup, sugar, palm oil, cocoa butter, whey powder (from MILK), cocoa mass, skimmed MILK powder, whey permeate powder (from MILK), MILK fat, emulsifiers (E471, lecithins, E442,  E476), salt, flavourings, acidity regulator (sodium carbonates), stabiliser (E509). Crunchy Chocolate Bar: Sugar, glucose syrup, cocoa butter, cocoa mass, skimmed MILK powder, whey permeate powder (from MILK), palm oil, MILK fat, emulsifier (E442), flavourings, coconut oil. Flake Chocolate Bar: MILK, sugar, cocoa mass, cocoa butter, whey powder (from MILK), vegetable fats (palm,shea), emulsifiers (E442, E476), flavourings. Mars Bar Chocolate Bar: sugar, glucose syrup, skimmed MILK powder, cocoa butter, cocoa mass, sunflower oil, MILK fat, LACTOSE and protein from Whey (from MILK), Whey powder (from MILK), palm fat, fat-reduced cocoa, BARLEY malt extract, emulsifier (SOYA lecithin), salt, EGG white powder, MILK protein, natural vanilla extract  Daim Chocolate Bar: Sugar, Palm Oil, Cocoa Butter, Cocoa Mass, Whey Powder (from Milk), Almonds (3%), Skimmed Milk Powder, Milk Fat, Modified Whey (from Milk), Sweetened Condensed Skimmed Milk, Salt, Emulsifier (Soya Lecithin), Flavourings, Milk Chocolate contains Milk Solids 14% minimum and Cocoa Solids 30% minimum. M&M's: Milk chocolate (sugar, chocolate, skim milk, cocoa butter, lactose, milkfat, soy lecithin, salt, artificial flavours), sugar, cornstarch, corn syrup, dextrin, colouring (Blue1, Yellow 6, Red 40, Yellow 5, Blue 1, Red 40 lake, Blue 2 Lake, Yellow 6 Lake, Yellow 5 Lake, Blue #2), Gum acacia. Contains Milk, Soy.

ALLERGENS IN BOLD. Made in a kitchen which handles eggs, nuts, milk, soya & sulphites.

Storage & Care

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GET THAT SWEET SPOT

Buttercream loves a gentle warm-up, and brownies need a little patience to reach their soft, gooey magic. Our bakes have been chilling in transit and need time to be their best so if your sponge is a little dry give it some more time.

ROOM TEMP, BEST TEMP

Let your bake rest in their packaging for up to 12 hours or when it reaches room temperature. It will then be at its full, fluffy glory. Cake is always at its best when it’s cosy, not chilly.

KEEP IT FRESH

Pop leftovers in an airtight container and store somewhere cool and dry... no fridge chills or sunbathing, please! Keeping them at room temperature keeps your bakes soft, gooey, and full of joy.

FREEZE FOR FUTURE JOY

Celebration postponed? Wrap your cake carefully and freeze for up to six months. When you’re ready, thaw at room temperature to bring back that soft, fresh-baked magic you love.

Really tasty On point The product itself is brilliant, tasty and great value for money. Felt like buttercream was too hard for the cake even after beating but only a minor niggle. Also don't select a me amazon delivery, very careless with an item marked as fragile, but Amazon's delivery is out of Sponge's control and the buttercream is only a small thing in my eyes really, would recommend to anyone

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More information

Did you know?

Decorating your own cake at home is great fun for the whole family. It's also a great way to create a cake with a bit of a wow factor. Whether you're a beginner looking for an easy way to create a chocolate bar cake, or have a bit of experience with cake decorating but can't be bothered with the baking bit, this cake kit is for all abilities. Included in the box are all of your favourite chocolate bars; flake, crunchie, mars bar, daim, and curly wurly. So you can create a chocolate bar cake masterpiece.

It's quick and easy to order cakes online at Sponge.co.uk - simply add the kit to your basket and head to the checkout. Then all you'll need to do is pop in your delivery details and select a delivery date! Soon, your delicious Chocolate Cake with decorations will be delivered to your home.

We deliver our cakes all over the UK, so if you're looking for 'Cakes near me', or you're looking to send a cake to someone you love, you'll be happy to hear you can get them delivered straight to the door! We offer cake delivery around the UK, from cake delivery in Cardiff, to cake delivery in Norwich, wherever you need a cake in the UK, Sponge will send it directly to your home or venue in the UK.