Tuesday, October 27, 2026

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An M&S After Eight Colin the Caterpillar Cake Appears

An Established Crossover

The Colin the Caterpillar range is less a product line and more an M&S institution. For decades, the simple chocolate log cake has been the centrepiece of British birthdays. In recent years, however, the brand has expanded significantly beyond the original cake, moving into almost every corner of the confectionery aisle. We have seen a constant stream of new formats and textures.

This new concept brings another classic brand into the fold: After Eight. The design proposes a dark chocolate and peppermint version of the famous caterpillar, complete with a tiny After Eight wafer perched on his head. The box branding is a straight lift from Nestlé’s mint thins, using the same dark green, distinctive typeface, and clock logo. The creator’s caption puts it simply: “Dark Chocolate & Peppermint Colin the Caterpillar! Are you team mint choc?!”

A Different Kind of Innovation

What’s notable here is the direction of the innovation. Most of the real Colin brand extensions are sweets, not new cake flavours. The core product has remained largely untouched, while the name has been licensed out to a sprawling collection of gums and sours. It is a huge range.

This After Eight version would be a rare departure for the cake itself. It proposes a fundamental change to the core flavour profile, swapping milk chocolate and buttercream for dark chocolate and mint. It’s a more sophisticated, adult-oriented pairing than the usual Colin spin-offs. This is not another bag of sour sweets. It’s an idea that takes the original cake in a new direction entirely, targeting a different palate.

What the real range looks like

The genuine M&S Colin the Caterpillar range is extensive but heavily weighted towards confectionery. The current lineup includes Colin the Caterpillar Softies, Speckles, Cola Gums, Sourtastic, Fruit Gums, Sour Stomps, and Cherry Gums. This mint chocolate cake concept is a departure, suggesting a new flavour for the core cake product rather than another spin-off in the sweets category.

  • 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 After Eight Colin the Caterpillar?
The concept is for a dark chocolate sponge log cake filled with a peppermint-flavoured buttercream. It’s based on the flavour profile of the classic Nestlé After Eight thin mints.
Are there other flavoured Colin the Caterpillar cakes?
M&S occasionally releases seasonal versions of Colin for events like Halloween or Christmas, which may have minor cosmetic changes. However, permanent flavour innovations for the main cake are not a regular feature of the range, which tends to focus on confectionery spin-offs.
Is the After Eight Colin the Caterpillar cake real?
No, this product is not real and you cannot buy it. It is a Snackfish — a mockup created by the online artist UK Snack Attack. It is a piece of digital art and is not sold anywhere.

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You have been Snackfished!

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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