Slowly whisk mixture into the milk. Return pan to heat and bring to a boil, stirring constantly. Boil and stir 5 minutes.

将混合物缓慢地加入到牛奶中。回锅加热直到煮沸，在此期间不断搅拌。煮沸并搅拌5分钟。

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In a large saucepan, combine milk, vanilla extract, and 1 tablespoon butter or margarine. Bring to a boil over medium heat, then remove from burner.

在一个大煮锅里，将牛奶、香草香精和1汤勺黄油或人造黄油混合。中火加热，烧开后从炉灶上取下。

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Then I boil some milk, and Olivier shows me how to mix it into the roux to make "bechamel". I take over.

然后煮开一些奶后，奥利维尔教我怎么把奶掺进乳酪面糊里做成乳酪面酱。

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