D&D 5E - Advice: Cooking/healing half feat

So, I would appreciate any critiques, or suggestions for changes.

So... I am looking for a half-feat geared towards cooking, that isn't as lame as Chef or Gourmand.
Ideally I am looking for something that requires preparing a meal after (a short or long rest) for X people, which gives them some amount of Temp HP.
My current concept is built off of the Medic/Chef/Gourmand Feats:
  • May up your Wisdom +1
  • You gain proficiency with cook’s utensils. If you are already proficient with them, you add double your proficiency bonus to checks you make with them.
  • As an action, you can inspect a drink or plate of food within 5 feet of you and determine whether it is poisoned, rancid, nor safe to eat; provided that you can see and smell it.
  • After a short or long rest, you can prepare a meal for 6 people. Anyone that partakes of the meal can spend 1 hit die and get the result in both healing and temp hit points.

At first I was afraid of making something too powerful, but now I am thinking it is too weak.
This feat really only has to be balance for my character. Being a Warforged (Monk), I don't eat, so cannot benefit from the meal. (And yes, I kind of like the irony of a trained chef that can't eat his own meals.) So it being a bit powerful only helps others.

So, I would appreciate any critiques, or suggestions for changes.

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