Monday, September 21, 2026

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A Blackcurrant Colin the Caterpillar Cake Appears Online

A Drinks Brand Crossover

A new concept for the UK’s most famous novelty cake has emerged, proposing a crossover between Colin the Caterpillar and an iconic blackcurrant drink. The design shows the standard M&S cake box, but recoloured in deep purple and black. The cake itself has had a similar makeover, with a purple swirl running through its chocolate coating.

The idea of a brand crossover is not new, but applying it to the main Colin cake is a significant move. This isn’t a spin-off bag of sweets or a limited ice cream tub; it’s a redesign of the flagship birthday product. The caption that accompanied the image simply read: “Extremely Blackcurranty Colin cake! What a combination!” The design uses the visual language of a classic squash or fizzy drink, translating it directly onto the UK’s most recognisable caterpillar.

The Current Colin Range

While a soft drink-flavoured cake would be a first, the Colin the Caterpillar brand is no stranger to expansion. It is a product universe in its own right. Beyond the original M&S Colin the Caterpillar Cake and its smaller counterpart, the M&S Mini Colin the Caterpillar Cakes, the brand extends deep into confectionery.

The current sweet selection is broad. It includes M&S Colin the Caterpillar Softies, Speckles, Sourtastic tubs, and several varieties of gums: Cola Gums, Fruit Gums, and Cherry Gums. The sour theme is a recurring one, also appearing in M&S Colin the Caterpillar Fruit Sours and Sour Stomps. A fruit flavour like blackcurrant would not feel out of place in this line-up. Applying it to the cake format, however, is the real point of departure.

What the real range looks like

The genuine Colin the Caterpillar range from M&S is extensive, but largely focused on confectionery spin-offs. The lineup includes the original M&S Colin the Caterpillar Cake, Mini Colin Cakes, and a wide array of sweets like Cola Gums, Cherry Gums, and Fruit Sours. A blackcurrant-flavoured cake would be a bold new entry for the core cake, which sees fewer flavour variations than the sweet bags.

  • M S Colin the Caterpillar Cake
  • M S Colin the Caterpillar Softies
  • M S Colin the Caterpillar Speckles
  • M S Colin the Caterpillar Cola Gums
  • M S Mini Colin the Caterpillar Cakes
  • M S Colin the Caterpillar Sourtastic
  • M S Colin the Caterpillar Fruit Gums
  • M S Colin the Caterpillar Party Cups
  • M S Colin the Caterpillar Party Time
  • M S Colin the Caterpillar Sour Stomps

Frequently asked questions

What flavour is the Blackcurrant Colin the Caterpillar cake?
Based on the packaging, it’s a blackcurrant-flavoured sponge cake with a matching purple-swirled chocolate coating, designed to taste like a popular UK squash or soft drink.
Does M&S often make brand-crossover cakes?
M&S creates seasonal and themed versions of Colin for events like Halloween or Christmas, but a direct co-branding with an external drinks company on the main cake would be a new direction for the product line.
Is the Blackcurrant Colin the Caterpillar cake real?
No. This cake is a Snackfish — it’s a fictional concept and a digital mockup. The image was created by the online creative page UK Snack Attack and is not available to buy from M&S or any other retailer.

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Snackfish :⁣⁣
[sn-a-ck-fish] verb ⁣⁣
A snack that lies about its legitimacy as an official product online for internet clout and attention. Most commonly fabricated in Adobe Photoshop or using the unofficial Snackfish AI

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