At launch, the only way to change the displayed language is adding a launch flag to Steam.
Right click on the game in the Steam Library, then go to properties. In the General tab, add "CULTUREFORCOOKING=<code>" and the following language code for your country to the Launch Options field.
|Spanish (Latin America)||es-419|
So, to set the language to Korean, it would look like this:
We'll be adding a Settings option in a future patch for Xbox players who want to set the game languge independently of their system language.