You're The Cream In My Coffee

'Then you think – ?'

'– That Veronica's sentiments towards you have not changed? I'm sure of it. I am vastly mistaken if you are not still the cream in her coffee and the salt in her stew, as the song says. Five will get you ten if you care to bet against it. [...]'

Galahad at Blandings. Chapter 11.I

'This poor bit of human wreckage is officially established as the cream in your coffee and the salt in your stew?'

A Pelican at Blandings. Chapter 9.II