The well-known Colin the Caterpillar cake from M&S has are available final place

Within the newest style take a look at from client champion Which? greater than 70 caterpillar truffles from 9 main supermarkets had been put to the take a look at (Picture: Duncan Cuthbertson by way of Getty Photographs)
Within the newest style take a look at from client champion Which? greater than 70 caterpillar truffles from 9 main supermarkets had been put to the take a look at. Every cake was tasted 75 instances, and the outcomes had been shocking. Marks and Spencer’s Colin the Caterpillar cake has been a favorite for greater than 30 years; nevertheless, the cake was overwhelmed by practically each competitor, scoring 64%. Forty-four % of the 75 tasters discovered the M&S cake “too dry” whereas 40% claimed the chocolate flavour wasn’t sturdy sufficient. The cake was additionally the least wholesome, with the very best ranges of sugar (46.3g) and fats (21.3g) per 100g. At £9.50, Colin was additionally some of the costly.
The primary spot went to Waitrose’s Cecil, which additionally obtained the distinguished Greatest Purchase score from Which?. The cake obtained a rating of 78%, with most cake lovers loving the thick chocolate shell and the sponge-to-buttercream ratio.
Cecil was additionally recommended for staying remarkably moist.
Cecil is without doubt one of the dearer caterpillar truffles in the marketplace (£9.50), however he is additionally the most important specimen examined (744g), making him less expensive by weight than M&S and lots of of his cheaper rivals.
In joint second place, with a rating of 73%, was the Co-op Celebration Time Charlie Caterpillar Cake, which was the priciest cake examined at £9.85. Nevertheless, the cake impressed the tasters with its “spot on” chocolate flavour and wealthy buttercream that compensated for a barely dry sponge.
Additionally in second place, with a rating of 73%, was Sainsbury’s Birthday and Celebration Wiggles the Caterpillar Cake, priced at £8.50. The cake appears to be like remarkably much like the well-known M&S cake however with out the M&S price ticket. Nevertheless, the tasters discovered the sponge wasn’t as moist as they’d appreciated.
Aldi’s Cuthbert the Caterpillar Cake, priced at £6.99, got here in joint third place. Scoring 72%, the cake outperformed M&S and was recommended for its “creamy” buttercream. Nevertheless, simply over a 3rd of the panel discovered the sponge barely dry.
Morrisons’ Morris the Caterpillar, priced at £9, additionally scored 72% and in addition had the bottom sugar content material and the best-rated buttercream texture of the complete take a look at.
The panel famous the sponge was a bit dry, however praised its chocolate flavour, rating it second general. It is a superb choice for anybody who enjoys a wealthy, creamy filling.

M&S’s Colin the Caterpillar cake has been a favorite for greater than 30 years (Picture: M&S)
Iceland’s Lewis and Inexperienced Caterpillar Celebration Cake earned Which?’s Nice Worth endorsement at simply £4.50. Whereas most truffles had been criticized for dry sponge, Iceland’s providing stood out for its moistness, regardless of being the smallest examined at 530g and having a thinner chocolate shell.
In response to those outcomes, M&S highlighted that Colin the Caterpillar was named the nation’s finest caterpillar cake in a March 2026 YouGov ballot and boasts the very best chocolate content material in the marketplace. The corporate additionally acknowledged that it commonly exams Colin truffles in opposition to rivals to take care of its commonplace for style and high quality.
An M&S spokesperson mentioned: “Colin the Caterpillar is the UK’s number one caterpillar cake – over 1,000,000 are bought yearly. He has been named the nation’s finest caterpillar cake in an unbiased YouGov ballot.
“Made and completed by hand within the U.Ok. for over 35 years, it leads the market on high quality and style. It has the very best chocolate content material in the marketplace at 39.5%, with milk chocolate made out of 31% cocoa solids and 100% Fairtrade cocoa.

In response to those outcomes, M&S highlighted that Colin the Caterpillar was named the nation’s finest caterpillar cake in a March 2026 YouGov ballot (Picture: clubfoto by way of Getty Photographs)
“At M&S, blind style testers commonly style our merchandise in opposition to the market to make sure we stay primary for style and high quality – this consists of our Colin truffles, which constantly come first in style exams.”
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Natalie Hitchins, Which? Head of Dwelling Merchandise and Providers mentioned: “For many people, a caterpillar cake is the final word nostalgia journey, however our take a look at exhibits that you just should not let model fame dictate your birthday price range.
“Whereas M&S created the class, rivals like Waitrose and even budget-friendly Iceland are actually delivering a greater slice of the motion. Whether or not you are on the lookout for one of the best style or one of the best worth, there are higher choices on the market than the unique Colin.”
How did all the opposite grocery store caterpillar truffles fare?
- Asda Letty The Caterpillar Cake – 68%, £9
- Lewis & Inexperienced Caterpillar Celebration Cake – 67%, £4.50
- Tesco Slinky Caterpillar Cake – 66%, £9
- M&S Colin The Caterpillar Cake – 64%, £9.50















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