Next, thinly slice eight ounces of brown or white mushrooms.

接下来，将八盎司棕色或白色蘑菇切成薄片。

I even liked those brown mushroom things.

我很喜欢那些棕色的蘑菇。

Thinly slice eight ounces or half a pound of mushrooms, and brown or white mushrooms are fine.

将八盎司或半磅蘑菇切成薄片，棕色或白色蘑菇都可以。