https://brianrecipe.com/%e7%82%ba%e4%bd%95%e8%9b%8b%e7%b3%95%e6%94%be%e4%ba%86%e8%ae%8a%e7%a1%ac%e9%a4%85%e4%b9%be%e5%8d%bb%e8%ae%8a%e8%bb%9f-cake-become-hard-but-cookies-turning-soft/