3 sentences

1. 要先把牛油和糖放进去。

   yào xiān bǎ niú​yóu hé táng fàng jìn qù.

   You have to put the butter and sugar in first.

   Source: OpenSubtitles

2. 牛油是用牛奶造的。

   niú​yóu shì yòng niú​nǎi zào de.

   Butter is made from milk.

   Source: Tatoeba

3. 一次一个鸡蛋加入牛油砂糖混合物里头，每次都要打匀后，才继续添加。

   yī​cì yī​ge jī​dàn jiā​rù niú​yóu shā​táng hùn​hé​wù li tou, měi​cì dōu yào dǎ yún hòu, cái jì​xù tiān​jiā.

   Add the eggs to the butter and sugar mixture one at a time, beating well after each addition.

   Source: UM-Corpus: News