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Smash is a United Kingdom brand of instant mashed potato, best known for its 1970s television advertising featuring the Smash Martians.

Last updated August 26, 2026

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Overview

Smash is a branded instant mashed potato product associated with the United Kingdom convenience-food market. The product was introduced by Cadbury during the 1960s, at a time when Cadbury was principally known as a confectionery manufacturer rather than as a major convenience-food company. Smash offered consumers a powdered potato product that could be prepared quickly by adding hot water, presenting an alternative to making mashed potatoes from fresh potatoes. Although the brand achieved a degree of early success, its strongest commercial and cultural breakthrough came in 1974. Cadbury commissioned the advertising agency Boase Massimi Pollitt to promote Smash through a distinctive science-fiction concept: animated or stylized extraterrestrial characters, known as the Smash Martians, observed people preparing mashed potatoes by traditional methods and reacted with amusement. The campaign contrasted the labor and time involved in conventional preparation with the speed and convenience of Smash. Its recurring slogan, “For Mash Get Smash,” became closely identified with the brand. The campaign was unusually influential for a convenience-food brand. The 1970s commercials were repeatedly included in retrospectives of notable British television advertising. Campaign magazine later voted the advertisements television advertisements of the century. In an April 2000 poll conducted by The Sunday Times and Channel 4, the campaign was ranked the second-best television advertisement of all time, behind Guinness’s “Surfer” advertisement. These recognitions helped preserve Smash’s visibility well beyond the period in which the original commercials aired. Smash was subsequently sold by Cadbury and became part of the portfolio of Premier Foods. Premier Foods markets Smash alongside other convenience-food brands, including Batchelors. In 2006, the company introduced a version promoted as having a healthier recipe under the Batchelors brand. The available reference material does not establish the precise ownership-transfer dates, detailed product formulation, current retail distribution, or a complete list of present-day variants. The brand’s defining identity nevertheless remains its instant mashed potato format and the enduring cultural recognition of the Smash Martians advertising campaign.

History

Smash originated in the United Kingdom as an instant mashed potato product launched by Cadbury during the 1960s. Cadbury was primarily a confectionery company at the time, so the brand represented an extension into the convenience-food market. Smash was designed to provide a rapid substitute for mashed potatoes prepared from fresh potatoes, using potato granules that could be reconstituted with hot water. The product achieved some initial success, but its major rise in public recognition came later. In 1974, Cadbury introduced a new advertising campaign created by Boase Massimi Pollitt. The campaign centered on the Smash Martians, extraterrestrial characters who watched humans prepare mashed potato by traditional methods on television. The Martians’ laughter presented conventional preparation as unnecessarily laborious and emphasized Smash’s convenience. The slogan “For Mash Get Smash” gave the campaign a simple verbal signature and linked the product name directly to the familiar dish. The advertisements became one of the best-known examples of British television advertising from the 1970s. Their blend of science-fiction imagery, humor, animation, and a clear convenience message allowed the campaign to remain recognizable after the original broadcast period. Campaign magazine subsequently voted the advertisements television advertisements of the century. A poll conducted by The Sunday Times and Channel 4 in April 2000 ranked the campaign second among the best television advertisements of all time, behind Guinness’s “Surfer” advertisement from 1999. After its Cadbury period, the Smash brand changed ownership and eventually became part of Premier Foods’ portfolio. Premier Foods also owns or markets other convenience-food brands, including Batchelors. In 2006, a healthier-recipe version was launched under the Batchelors brand. The available reference material does not provide a detailed chronology of the ownership transactions, exact manufacturing locations, recipe changes, current package formats, or present distribution footprint. Smash is nevertheless historically significant as a convenience-food brand whose identity was shaped as much by its advertising as by its instant mashed potato product. Its Martians and slogan remain the central elements of its brand heritage.

  • 2006

    Healthier-recipe version launched

    [1]

    Premier Foods launches a healthier-recipe version associated with the Batchelors brand.

  • 2000

    Campaign ranks highly in a television-advertising poll

    [1]

    A Sunday Times and Channel 4 poll ranks the Smash advertisements as the second-best television advertisement of all time.

  • 1974

    Smash Martians campaign launches

    [1]

    Boase Massimi Pollitt creates the advertising campaign featuring the Smash Martians and the slogan “For Mash Get Smash,” helping the brand become widely popular in the convenience-food market.

  • 1960

    Cadbury launches Smash

    [1]

    Cadbury introduces Smash as a branded instant mashed potato product and enters the convenience-food category.

Products and positioning

A convenient alternative to preparing mashed potatoes from fresh potatoes, differentiated primarily by quick preparation and highly memorable advertising.

  • Instant mashed potato

    Smash instant mashed potato

    Smash is a dried potato-granule product intended to make mashed potato quickly by reconstituting the granules with hot water. It was developed as a convenience-food alternative to preparing mashed potatoes from fresh potatoes. The product’s historical market identity is closely linked to its simple preparation method and to the long-running Smash Martians advertising campaign.

  • Instant mashed potato · 2006

    Healthier-recipe version

    A version described in the reference material as using a healthier recipe was launched in 2006 under Premier Foods’ Batchelors brand. The available material does not specify the precise nutritional changes, packaging, or whether the version remains separately marketed.

Marketing campaigns

  • 1974Smash Martians

    United Kingdom

    Boase Massimi Pollitt created a series of advertisements in which the Smash Martians laughed at people preparing mashed potatoes by traditional methods. The campaign presented instant potato as a faster and more convenient option and used the slogan “For Mash Get Smash.”

    Outcome. The campaign helped make Smash popular in the convenience-food market and became one of the most acclaimed British television advertising campaigns.

Brand decisions

  • 2006

    Launch of a healthier-recipe versionProduct launch

    Background

    Premier Foods was managing the brand within its broader portfolio of convenience-food products.

    Action taken

    A version promoted as having a healthier recipe was launched using the Batchelors brand.

    Aftermath

    The launch broadened the product positioning toward a health-related formulation, although the available material does not document its subsequent performance or current status.

  • 1974

    Shift to character-led convenience advertisingOther

    Background

    Smash had achieved some success after its 1960s launch, but its major expansion in the convenience-food market had not yet occurred.

    Action taken

    Cadbury commissioned Boase Massimi Pollitt to develop the Smash Martians campaign, contrasting traditional mashed-potato preparation with the speed of instant potato.

    Aftermath

    The campaign substantially increased the brand’s cultural visibility and became associated with the slogan “For Mash Get Smash.”

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