读报
登录注册网站首页
 

SUPER SCIENCE

Why does a bagel have a hole?

作者:TEENS
Aa
  • -   
  •    +

为什么贝果中间有个洞?

Before baking bagels (贝果), the dough (面团) needs to be boiled (煮) in water. It then becomes thick and heavy. This makes it difficult to cook all the way through. A hole is helpful. It helps the dough heat (受热) better.

点击阅读全文
联系我们  |  诚聘英才  |  关于我们  |  版权声明
© i21st.cn   京ICP备2024066071号-1
 
选择报纸
选择报纸
关闭