the ingredients on top being in the correct column explains, why there are two mint slots.
i think, that i have it figured brewing out, but it just isnt working. for healing potions, it is clear, that i need mint, healers leaf and to boil it, but no matter what order i set, pressing k does nothing. i have legit spent half an hour trying out every possible combination of items and elements and orders for every potion, yet nothing worked. is there something you need to do before being able to brew potions? does your cursor need to be in a specific spot to brew? im starting to think that the game is broken.
random thing i found while pressing every key in hopes of finding a different keybind for brewing, as k seems to be broken is, that g dismissed all your active quests.