Solar Salt Candy

Trying to finish the hidden quest. I can not get the #3 to show up on the map by the cook in the Nomad camp. If I am in the wrong place then I understand. I could use some help since I can not get the little magnifying glass to show up.

Hidden quests have timer. That mean if you get 2 and come after 2h it will not allow you to get next (it shows above skills - where are buffs). And you should start from begining.
Beside that you can check this video and I hope it could help you: