将纯味面团薄薄扫上蛋清，铺于巧克力味面团上再卷起来。

Brush the plain dough with egg white and place over the chocolate dough, and then roll up.

youdao

将纯味面团薄薄扫上蛋清，铺于巧克力味面团上再卷起来。

Brush the plain dough with egg white and place over the chocolate dough, and then roll up.

youdao