According to the Cambridge Dictionary, if someone has a sweet tooth, (s)he likes eating sweet foods and meals. So, what's the word for who is interested in salty ones?
Learn English – Word for great liking of salty-tasting foods
meaningmeaning-in-contextsingle-word-requestsword-choice
Best Answer
There are some usages of the expression “salt/y tooth” which does not appear to have become popular yet. Probably you can generally refer to this category of people as “salty food lovers”:
Oregano Can Satisfy Your "Salt Tooth" (Time.com)
Yes, There Is Such A Thing As A ‘Salt Tooth’ (Huffinton Post)
Salty tooth (UD)
“Salt tooth” is a real thing, and we feel so validated” (hellogiggles.com)
Do You Have A Salt Tooth? (naturalon.com)