Tick anything you already have, in any order. Quests unlock once this is done.
The culture is the only thing you cannot improvise, and a friend who brews will give you a spare. Plain black tea and white sugar, nothing fancy.
2 things left above. Quests are real things you go and do, so they only make sense once you have what you need.
First one waiting: Get a SCOBY and a big glass jar