A box or vase with a perforated cover to emit perfumes.(noun)
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Use "cassolette" in a sentence
"Restaurant recipe: Harrods' Arctic Char with dill butter and morel cassolette"
"I love chunks of Perugina sausage in sweet pepper-and-onion ragout with two panisses, or chickpea-flour fries; black truffle-accented grilled diver scallops in brown-butter jus; and a cassolette of Provençal vegetables."
"Seafood cassolette is a hearty indulgence of shrimp, scallops, red snapper, lobster, lump crab and peas in a creamy au gratin sauce with a splash of champagne."