Bisto™
noun /ˈbɪstəʊ/
/ˈbɪstəʊ/
[uncountable]- a British make of gravy powder which has been sold since 1908. For many years Bisto was promoted in well-known advertisements in which two children, called the Bisto Kids, were seen enjoying the smell of food cooked with Bisto, and saying ‘Ah, Bisto!’