Basically add a function that let us make recipes that reduce Alcohol %

I tried making a recipe with negative alcohol but it seems is not possible.

Possible since 3.1

Have you considered making a potion and then set that potion at the start of the config where milk and bread are placed as items that take drunkiness away. If thats not waht your suggesting then sorry

It does not seem to be working. Could you give an example @mcgodbuild ?
I've tried adding it by name and id:

- Brewery: beer_example/5
- Brewery: Cerveza Ahumada/5
- Brewery: '&6Cerveza &f&oAhumada'/5 (throws null exception)

Also without "Brewery" but it does not work either.

Did you try to use its actual name?

recipes:
beer_example:
name: '&eCerveza Ahumada &8&oInsípida/&eCerveza Ahumada &7&oEquilibrada/&eCerveza Ahumada &f&oNatural'

Yes, but it didn't work.
I have tried with:

- Brewery:&eCerveza Ahumada &f&oNatural/20
- Brewery:'&eCerveza Ahumada &f&oNatural'/20
- Brewery:'&eCerveza Ahumada &8&oInsípida/&eCerveza Ahumada &7&oEquilibrada/&eCerveza Ahumada &f&oNatural'/20

Which part does not work? making the potions or adding them as items that take drunkness away?

Adding it to the drainItems section. The recipe works fine.

can you paste the entire config file in a browser viewer like https://hastebin.com/ so we can view everything and perhaps come up with a solution?

Also can you add vanilla items to the drain items without any issues?

Here you are: https://pastebin.pl/view/208be129 (it is a default config with the recipe, still not draining)
Vanilla items are working well, I checked with an Apple item and it drains correctly.

Well, thanks for your help @mcgodbuild but stil not working...
Maybe @Sn0wStorm could verify if it is actually possible?
If you could give me an example that works, I will appreciate it.

I don't think this works, at least i never tested or implemented it. The only way i know of is to use the vanilla drain items