The ad is set to be shown during prime time on ITV and Channel 4 from 23 May.

Cornish was recognised under the European Charter for Regional or Minority Languages in 2003, but many were angered last month when funding to “support the development of the language” was cut by the UK government.

Kelly's, a family-run company that's made Cornish ice cream in the county using local ingredients for more than 100 years, worked with The Cornish Language Partnership to also develop a light-hearted phrase book, with key lines such as “Eat up, it's melting!” and “At least two scoops, please” (“diw loyas dhe’n lyha mar pleg”).

Diw loyas dhe’n lyha mar pleg! TV ad for ice cream to be first spoken entirely in Cornish