The book of tasty sandwiches / published and presented by Bovril Ltd.
The pattern
This still sits in the public-domain pool. No pattern name yet.
Why it works
Bovril provided dozens of creative sandwich spreads that positioned beef extract as a savory kitchen seasoning rather than a sickbed tonic. Broadening everyday culinary usage drove steady repeat grocery purchases beyond winter flu season.
Steal this when
Steal this when expanding a seasonal or specialty ingredient into a daily meal staple through practical recipe utility.