1. Take the prepared white potion to the well outside the palace and a frog will come up.

2. After getting the key given by the frog, go back to the palace and click on the big clock.

At this time, the big clock will prompt us to turn its red handle, and then a drawer will be opened, and the menu will be next to the seafood burger.

The answer comes from 4399:, website/gongle/aobidao/wenda/201304-04-254396.html.