noun
custard cream
A thick, sweet yellow cream used as a filling in pastries, cream puffs, and other confections.
シュークリームの中にはカスタードクリームがたっぷり入っている。
The cream puff is filled with plenty of custard cream.
Variant with interpunct; less common in running text.
カスタード is a broader term for custard in general, while カスタードクリーム specifically refers to the thick, sweet cream used in pastries.
Borrowed from English 'custard cream'.