chú shī / xiān / bǎ / jí shì fěn / shāi rù / niú nǎi / zhōng / zài / yòng / xiǎo huǒ / jiā rè / zhì / jiàng zhī / biàn chóu

厨师先把吉士粉筛入牛奶中，再用小火加热至酱汁变稠。

The chef first sifts the custard powder into the milk and then heats it over low heat until the sauce thickens.