Corelle cup

noun. — Teacups with handles, typically smaller than coffee mugs, several of which come as part of a dinnerware set and are typically used to serve small portions of side dishes, salads, and desserts.

Example

Mom: There still some potato salad left. Do you want any?
Dad: Sure. I'll take a Corelle cup.

Origin

The term originated with the teacups that accompanied the Grahams' Corelle Corningware set, ca. 1980.