cassolette

[kas-uh-let]

noun

a container for cooking and serving an individual portion of food, usually made of pottery, silver, or paper, or sometimes of baked dough.

Origin of cassolette

1650–60; < French, equivalent to cassole (casse small saucepan (see casserole) + -ole diminutive suffix) + -ette -ette

This is not the same variety as the Cassolette described by Leroy.
The Pears of New York
U. P. Hedrick
The Cassolette is so named from its resemblance to a small vessel made of copper and silver in which pastilles were burnt.
The Pears of New York
U. P. Hedrick
There appear to be several varieties of Cassolette three or four of which bear the synonym of Lechfrion.
The Pears of New York
U. P. Hedrick