My Alchemy level 6 witch can only make one elixir. How can she learn more?

[Johanna6]

My Alchemy level 6 witch can only make one elixir; the procreation one which she learnt from a recipe book. How can she learn other elixirs? I'm sure she should be able to make more than one by now.

[MrsFlynn]

I haven't really played with a witch much before, so let me search on that... Ah! Here's a couple of guides you can read on to find more information.

The Sims 3 Supernatural: Witches Guide
https://www.carls-sims-3-guide.com/supernatural/witches.php

Alchemy
https://sims.fandom.com/wiki/Alchemy