Over in the butter corner, Stuart spoons off some of the milk solids that have congregated on top and maintains it at a simmer.

在黄油角落里，斯图尔特用勺子舀掉了一些聚集在上面的乳固体，并保持小火慢炖。

I'm not gonna use butter, just because I actually don't want the milk solids to brown cause that's gonna impart flavor and color into the white.

我不会使用黄油，只是因为我实际上不想让牛奶固体变成褐色，因为那会赋予白色风味和颜色。

According to the Food and Drug Administration, white chocolate must be at least 20 percent cocoa butter and 14 percent milk solids by weight and may not consist of more than 55 percent sugar or any other sweeteners.

根据美国食品和药物管理局的规定， 白巧克力的可可脂含量必须至少为 20%乳固体含量不得少于 14% ， 并且糖或任何其他甜味剂的含量不得超过 55% 。