How to pronounce “upper crust” in English

Yeah, and there's the upper crust.

the first two of an intended three novels about the schemers and dreamers in Asia's upper crust.

They're the upper crust, very wealthy elite, who are living in cities where they have schools.

Somebody will always say "of Tarsis," Paul of Tarsis, but the point is people in the ancient world didn't have last names unless they were upper crust, elite, Roman aristocracy.