LazyCrafting
Have you ever needed to make a HUGE number of [insert thing here] but didn't feel like tediously breaking down raw materials first. Now introducing the LazyCrafting™ system!
Type /recipes
in-game and they will all be added to your recipe book!
All this runs from a server datapack. You're welcome.
1.21 Server Custom Recipes
Until Mojang fixes these mechanics I have added them manually to the game.