二に重じゅう釜がま

noun

double boiler; jacketed kettle

A cooking pot with two layers, where the outer jacket holds water or steam to heat the inner pot gently. Used for melting chocolate, making custards, or in commercial kitchens.

• チョコレートを溶とかすときは二に重じゅう釜がまを使つかうと焦こげにくい。

  When melting chocolate, using a double boiler makes it less likely to burn.

• 業ぎょう務む用ようの二に重じゅう釜がまで大たい量りょうのスープを作つくる。

  They make large batches of soup in a commercial jacketed kettle.