Fairies are listed in the same section of your inventory as food and other things you can cook with.
I've received a pink-shaped elixir in a bottle shaped like a fairy, and its recipe says it was made with just one fairy.
Can you use fairies in any other cooking recipe?
Best Answer
Technically, no, you can't cook them, but you can use them in recipes to get a better result – the fairy will be released after doing this.
From this guide:
This guide confirms this behavior, as well.
A user here says that using a Fairy in a recipe will result in them flying around the pot and strengthening the result.