noun
round bottomless mould; pastry ring
A ring-shaped metal mould used in baking and pastry for shaping mousses, cakes, and other desserts. Common in professional and home baking contexts.
from French cercle
ムースを作るときはセルクルを使うと形がきれいに決まる。
When making mousse, using a pastry ring gives it a neat shape.
セルクルにスポンジを敷いてからクリームを流し込む。
Line the ring mould with sponge cake, then pour in the cream.