Monster Munch
A British baked, extruded corn-snack brand created by Smiths and now produced by Walkers.
Last updated August 25, 2026
AI crawler reads
No AI crawler has read this profile since Oct 28, 2026.
Overview
Monster Munch is a British snack brand best known for its large, irregularly shaped baked corn snacks and comic monster imagery. It was created by Smiths in 1977 and remains strongly associated with British childhood, convenience retail and multipack snacking. Although the supplied country information identifies France, the canonical Wikipedia subject is the British brand rather than the separate French Intersnack product range that uses the same name. The product was initially introduced under the name “The Prime Monster,” a pun connected with the phrase “Prime Minister.” It was renamed Monster Munch in 1978. Early advertising presented the snack as “The Biggest Snack Pennies Can Buy,” emphasizing its unusually large pieces. Packaging and advertising used a cast of monsters, and the brand developed an extensive fictional world through the Monster Munch Club, whose membership material included a card, pen, storybooks and an audio story tape. Roast Beef was the original flavour, followed by Pickled Onion in 1978 and Saucy in 1981. Additional varieties introduced during the 1980s included Sizzling Bacon, Cheese & Onion, Giant Prawn and Salt & Vinegar. The early product used more than one shape, including the familiar paw-like piece and a character-like form associated with the brand’s monsters. A short-lived range of Monster Fizz soft drinks also appeared during the decade. The brand moved from Smiths to Walkers during the early 1990s, with the transfer generally dated to 1993 and a major relaunch taking place in 1995. The relaunch introduced new monster characters, changed the extrusion process and reduced the size of the pieces. The recipe was based on 100% maize and the salt content was reduced. New flavours such as Beef Burger and Spaghetti Sauce were added, while promotional collectibles, including Tazos, helped reinforce the brand’s appeal to children. Monster Munch subsequently went through numerous limited editions, packaging changes and seasonal promotions. Examples included Spicy, Roast Beef’s return, tongue-colouring Halloween variants, Baked Bean for Comic Relief, and the short-lived Vanilla Ice Cream flavour. In 2008, Walkers responded to consumer nostalgia by restoring the larger format and using retro-inspired packaging under the Mega Monster Munch identity. The revival targeted adults who remembered the original brand as well as younger consumers. The core range has continued to evolve. Mega Monster Munch Webs became a recurring Halloween product from 2013, Monster Munch Giants launched in 2021 in Pickled Onion and Roast Beef, and the former Flamin’ Hot flavour was renamed Sweet and Spicy Flamin’ Hot in 2024. A BBQ Sauce variety was introduced through Walkers’ Yummy With lower-salt snack range in 2024. The principal British flavours remain Pickled Onion, Roast Beef and Sweet and Spicy Flamin’ Hot, with availability varying by format and retailer. Monster Munch is primarily a United Kingdom brand, but namesake products exist in other markets. Tayto’s Irish product was rebranded Mighty Munch after Walkers entered the Irish market, while Eta continues to sell a separately developed New Zealand Monster Munch range. In France, Intersnack markets a different snack range under the Monster Munch name. These products should not be conflated with the Walkers brand documented here.
History
Monster Munch was created by Smiths in Britain in 1977. Its initial working-market identity was The Prime Monster, a name built around a joke about the Prime Minister. The product became Monster Munch in 1978 and was promoted as a large, inexpensive snack. The brand’s monsters appeared on packs and in advertising, and the Monster Munch Club extended the concept beyond the food itself through membership materials, illustrated stories and recorded audio content. Roast Beef was the launch flavour. Pickled Onion followed in 1978, Saucy in 1981, and a succession of further flavours arrived during the 1980s, including Sizzling Bacon, Cheese & Onion, Giant Prawn and Salt & Vinegar. The original snack used multiple shapes, one of which evolved into the familiar paw-like piece. The brand also briefly expanded into soft drinks marketed as Monster Fizz. During the early 1990s, Monster Munch was transferred from Smiths to Walkers. A significant 1995 relaunch altered the character line-up, packaging, extrusion method and product size. The reformulated snack used 100% maize and had a lower salt content. New flavours included Beef Burger and Spaghetti Sauce. Promotional collectibles, especially Tazos, became part of the brand’s marketing activity. Further packaging and recipe changes followed, including the Snackshack association in 1997–1998, the introduction of Spicy in 2000, and the return of Roast Beef in 2002 after a period away from the range. Walkers used Monster Munch for a series of novelty and seasonal products. Halloween editions could colour the consumer’s tongue blue or, briefly, blue or green. A Baked Bean variety supported Comic Relief in 2003, while Vanilla Ice Cream was tested as an unusual sweet flavour for a limited period. In 2007, a wider Walkers snacks relaunch introduced updated packaging and CGI depictions of the monsters. In 2008, Walkers repositioned the product around nostalgia and relaunched it as Mega Monster Munch. The pieces returned to their earlier larger scale and packaging referenced historic designs. The Find Our Monsters campaign sought the original costumes used in advertising, and the wider revival included a T-shirt promotion and a dedicated website. Halloween innovation continued with Mega Monster Munch Webs, first sold in 2013 and subsequently repeated. The brand has remained active in the British snack market. Pickled Onion won a 2016 World Cup of Crisps public vote. In 2019, Channel 4’s Snackmasters examined the making of Pickled Onion Monster Munch and showed the production process at Walkers’ Skelmersdale factory. Packaging was also updated that year to communicate reduced plastic use. Monster Munch Giants launched in 2021, while the Flamin’ Hot name was revised to Sweet and Spicy Flamin’ Hot in 2024. A BBQ Sauce variant followed within the Yummy With range. Walkers has also continued to use the brand’s monster characters, seasonal formats and retro associations to maintain recognition across generations. The name has been used for separate products outside Britain. Tayto’s Irish product became Mighty Munch after Walkers acquired or secured the Monster Munch name in the context of its Irish expansion. Eta’s New Zealand snack is independently styled and has its own flavours. In France, Intersnack sells another Monster Munch range. Those products are market-specific namesakes rather than the British Walkers product described in this article.
- 2024
Flamin' Hot name updated
[1]The flavour becomes Sweet and Spicy Flamin' Hot.
- 2021
Monster Munch Giants launches
[1]Walkers adds larger-format Giants products in Pickled Onion and Roast Beef.
- 2016
Pickled Onion wins a crisp competition
[1]Pickled Onion Monster Munch is voted champion of the World Cup of Crisps.
- 2013
Mega Monster Munch Webs begins recurring Halloween sales
[1]A bacon-flavoured web-shaped seasonal product becomes a recurring Halloween offer.
- 2008
Mega Monster Munch revival
[1]The larger original-style pieces and retro packaging return in a nostalgia-focused relaunch.
- 1995
Major Walkers relaunch
[1]Walkers introduces new monsters, smaller paw pieces, a revised extrusion process and a 100% maize base.
- 1993
Transfer to Walkers branding
[1]The product begins its transition from the Smiths brand to Walkers.
- 1978
The Monster Munch name is adopted
[1]The brand is renamed Monster Munch and Pickled Onion becomes the second major flavour.
- 1977
Smiths launches the snack
[1]The product is introduced in Britain under the initial name The Prime Monster.
Products and positioning
Playful, nostalgic and character-led British snacking, combining distinctive monster-themed branding with oversized baked corn pieces and strong savoury flavours.
Baked corn snack · 1978
Monster Munch Pickled Onion
One of the brand’s defining flavours, introduced in 1978. It is associated with the yellow monster imagery and has remained a core product through successive changes in ownership, packaging, shape and format. The flavour is sold in standard and larger-format versions, subject to market availability.
Baked corn snack · 1977
Monster Munch Roast Beef
The original Monster Munch flavour, launched with the brand in 1977. It was withdrawn for a period and reintroduced in 2002 with a revised flavouring. Roast Beef is also one of the flavours used for Monster Munch Giants.
Baked corn snack · 1994
Sweet and Spicy Flamin' Hot Monster Munch
A spicy Monster Munch variety formerly known as Flamin’ Hot. In 2024, Walkers renamed it Sweet and Spicy Flamin’ Hot to distinguish it from the company’s Extra Flamin’ Hot branding. It has appeared in both larger-format and multipack contexts.
Large-format baked corn snack · 2021
Monster Munch Giants
A larger version of the standard snack introduced in 2021. The initial flavours were Pickled Onion and Roast Beef, extending the brand’s long-running emphasis on oversized, highly recognizable pieces.
Seasonal baked corn snack · 2013
Mega Monster Munch Webs
A bacon-flavoured, web-shaped Halloween product first sold in 2013. It developed from a similarly shaped product associated with Wotsits and became a recurring seasonal Monster Munch offering.
Soft drink
Monster Fizz
A short-lived 1980s extension of the Monster Munch brand into flavoured fizzy drinks. Reported varieties included orangeade, cola and lemonade.
Marketing campaigns
- 2019Snackmasters
United Kingdom
Channel 4’s Snackmasters featured a challenge to recreate Pickled Onion Monster Munch and visited Walkers’ Skelmersdale factory.
Outcome. Provided television exposure for the product and its extrusion and flavouring process.
- 2008Find Our Monsters
United Kingdom
The campaign accompanied the Mega Monster Munch revival and invited consumers to help locate original advertising costumes that had disappeared after Walkers acquired the brand.
Outcome. Supported the nostalgia positioning of the relaunch and was accompanied by a website and later T-shirt promotion.
- 2003Comic Relief Baked Bean
United Kingdom
A Baked Bean flavour appeared in multipacks as part of a Comic Relief promotion.
Outcome. Created a charity-linked limited edition.
- 2001Tongue Halloween promotion
United Kingdom
A Halloween Pickled Onion variant was promoted as capable of turning consumers’ tongues blue, with support from The Beano, The Dandy and Boomerang spots.
Outcome. Added a novelty seasonal mechanic to the core product.
- 1977The Biggest Snack Pennies Can Buy
United Kingdom
Early advertising emphasized the unusually large size of the snack and introduced consumers to the brand’s monster characters.
Outcome. Established the size-based product proposition and character-led identity.
- 1977Monster Munch Club
United Kingdom
A membership promotion offered a card, pen, storybooks and an audio tape containing stories and songs.
Outcome. Extended the brand into a collectible and entertainment experience for children.
Brand decisions
2024
BBQ Sauce enters the Yummy With rangeProduct launchBackground
Walkers announced a lower-salt snack range using chickpea flour.
Action taken
A BBQ Sauce Monster Munch flavour was introduced as part of Yummy With.
2008
Walkers pivots toward nostalgiaStrategyBackground
Consumers reportedly requested a return to the earlier appearance and larger size.
Action taken
Walkers relaunched the product as Mega Monster Munch with larger pieces, retro packaging and the Find Our Monsters campaign.
Aftermath
The brand’s historic identity became a central part of its adult and family marketing.
1995
Walkers changes the product format and recipeGeneration changeBackground
The relaunch followed the movement of Monster Munch from Smiths to Walkers branding.
Action taken
Walkers introduced new characters, smaller paw-shaped pieces, a twin-screw extrusion process, a 100% maize base and reduced salt.
Aftermath
The change created a distinct second era for the brand before the later return to larger nostalgic pieces.
Recent events
- 2024
Flamin' Hot renamed Sweet and Spicy Flamin' Hot[1]
Product generation · Other
Walkers changed the flavour name to distinguish it from its Extra Flamin' Hot branding.
- 2024
BBQ Sauce added to the Yummy With range[1]
Product launch
A BBQ Sauce Monster Munch flavour was introduced within Walkers’ lower-salt, chickpea-flour Yummy With range.
- 2021
Monster Munch Giants launches[1]
Product launch · Product generation
Walkers introduced larger-format Monster Munch Giants in Pickled Onion and Roast Beef.
- 2008
Walkers brings back the larger Mega Monster Munch format[1]
Campaign · Product generation
A nostalgia-focused relaunch restored larger pieces and retro-inspired packaging.
- 1993
Monster Munch brand relaunches under Walkers[1]
Other
The brand began moving from Smiths branding to Walkers branding in the early 1990s.
Sources1 sources
Cite this profile: Cite the canonical profile. /brand-wiki/monster-munch · Editorial policy · How profiles are compiled