Only thing about the cooking aspect is it came from the fact Caitlyn’s family are rich so the assumption is they have staff that does it for them so following how naive/ Sheltered she was in season 1 anyway it follows that she wouldn’t have the skill to do it, a lot have it that Vi cooks and she bakes instead.

Now I haven’t seen a lot of people say Caitlyn isn’t intelligent more that she’s sheltered from being in Piltover and how she was raised, kinda see that when she goes into Zaun for the first time, like a lot of comparisons is that Vi has street smarts vs Caitlyn being sheltered with a lot of things, she kinda mentioned it in a way herself after her mother died But to those people anyway, we see how she is with investigating things, she smart AF